how to grow great blue lobelia
Yet are you aware that up on the slopes of Mount Kilimanjaro there are lobelias that grow 20ft tall, their spires of blue and green flowers rising from great rosettes of leaves of tropical wonder. If perennials are covered with heavy mulch over the winter, the roots can rot, especially in warmer southern climates. Hummingbird havens, garden borders and groundcovers, rain gardens, woodland gardens, spillers in container combinations, pollinator gardens. Suitable for any garden type. For annuals, fertilize more frequently or apply a continuous-release fertilizer for flowering plants to sustain them throughout the growing season. While there are numerous varieties of lobelia plants, only a few are commonly seen in the home gardenL. How to Grow Lobelia. This herbaceous plant is easy to grow from seed and frequently self-sows. Use a lobelia with white flowers in a moon garden. This compact plant packs a big punch with its deep cobalt-blue flowers and glossy bronzed foliage. CareProvide full sun to partial shade and fertile, moist soil. Plants that have no roots cannot grow new leaves. Can be a little difficult to grow from seed though, so most gardeners buy in 6 packs from the local garden center. As native plants Lobelia Great Blue grow easily and are adaptable to moist shady areas. RELATED: Great Blue Lobelia: You Can Grow That! link to Cardinal Flower – Facts, Grow and Care. They are both Lobelia. All forms flower constantly throughout the summer until the first frosts. Cardinal flower (Lobelia cardinalis): hardy perennial, with red flowers and an upright growth habit; Great lobelia (Lobelia siphilitica): hardy perennial, with blue flowers and an upright habitLobelia erinus 'Laguna': tender perennial, with blue flowers and a trailing habit. Also a good choice for cut flower arrangements. Lobelia is a great cool-season flower for adding vivid blue to the garden. The trailing growth habit of the lobelia allows it to cascade down the sides attractively. It is hardy in zones 4 through 8. Lobelias are slow to establish and most gardeners grow them from nursery transplants. Lanceolate serrated leaves alternate along the stem, culminating into tiny bracts amidst the bell shaped blooms. (For spring planting, mix the seed with moist sand and store it in the refrigerator for 60 days before planting. Cardinal Flower or Blue Lobelia Seeds (Lobelia cardinalis / Lobelia siphilitica) Growing Cardinal Flower from seed is pretty easy, and economical. Simple steps to successfully growing the Great Blue Lobelia This list is the key requirements to growing the Great Blue Lobelia successfully; Full sun to Partial Shade Moist or wet soil Will... Continue Reading. Lobelia seeds can be sown from January to April to give you a summer display. Some varieties bloom white or pink. Lobelia erinus doesn’t like dammed-up water at all. This radical pruning will regenerate new growth, and by the time the cooler weather of fall arrives, your plants should be in full bloom again. Great blue lobelia (L. siphilitica), also called blue cardinal flower, is another native perennial wildflower that bears long-lasting bright blue flowers. Native Environment: Wetland, Stream Edge. Because of that, you can space them 1-2′ apart (30-60 cm). Plant your lobelia seeds on the surface of the soil since these seeds need light to germinate. Dainty bright-white flowers with dark green foliage make this an eye-catching spiller to use in container combinations and hanging baskets, where it will trail up to 2 feet. Great Blue Lobelia flowers attract both butterflies and hummingbirds. How To Grow Lobelia. Photo by: Age Fotostock / Alamy Stock Photo. They are perfect for garden borders, outdoor containers, hanging baskets, as ground cover, etc. It has, however, been used for medicinal purposes for many years. Blue White Foliage. The blooms entice bees, hummingbirds and butterflies. The Native Americans used the plants medicinally like aspirin to relieve aches and pains. Because great blue lobelia seems to grow in patches, this is an efficient operation for both bee and blossom. Gently firm the compost down after you sprinkled the seeds. Planting and Growing Lobelia Plant in full sun or partial shade in deep, fertile, moist soil (do not allow soil to dry out). These plants make great additions in borders, along creeks or ponds, as ground covers, or in containers—especially hanging baskets. We follow the garden path to visit the Great Lobelia! Weeds compete with plants for water, space and nutrients, so control them by either cultivating often or use a mulch to prevent their germination. Plant in full sun to part shade. However, violet-blue is probably one of the most commonly seen. The color of flowers depends on a grade and can be purple, violet, white, dark blue or blue. FlourishAnyway from USA on March 31, 2016: Finding shade loving flowers has been a challenge for me so thank you. The capsules can be collected in autumn, usually October. General: Great blue lobelia is comparatively easy to grow. Roots should develop in 2 to 3 weeks. The truly beautiful lobelia will shine in any flower garden. Harvesting. The seeds need light to germinate. They can also be grown in containers set in a tray of water on a patio or deck. Lobelia seeds are extremely small and fine-textured but are easy to cultivate if started indoors eight to 12 weeks before transplanting out – generally, two to four weeks after your last frost date. It needs a good, fertil… Grow Lobelia erinus in a cool spot in moist soil in partial shade. Great Blue Lobelia in containers with Caladiums. L. siphilitica.. Great blue lobelia (L. siphilitica), or blue cardinal flower, is another perennial wildflower with long-lasting, tall stems that feature bright blue flowers.Propagation. The capsules can be collected in autumn, usually October. Spring through fall; nearly year round in mild climates. Very! After a few years, you will have a whole clump of Great Blue Lobelia adorning your garden. You can pinch back the plants to make them bushier. You can also pinch back plants at any time if you prefer bushier growth. Quite an architectural plant which adds vertical interest to the landscape! . You can either direct sow your seeds in the spring after all danger of frost or start them indoors 8 weeks before your last frost. Plant in a potting mix rich in organic matter. Blooms in August - September in my garden. How to Take Care of Great Blue Lobelia Due to the conspicuous bright blue flowers, great blue lobelia is very widely used for landscaping. If blooming slows during the heat of summer, the best way to revive them is to cut them back by as much as one-half to two-thirds, followed by regular watering. Great blue lobelia (L. siphilitica), or blue cardinal flower, is another perennial wildflower with long-lasting, tall stems that feature bright blue flowers. Longer lived than the Cardinal Flower it blooms in the late summer producing spikes of deep blue … In the fall, using a garden fork, carefully dig up your clump of plants. Water the potting soil. How To Grow Lobelia. Gray ... All ratings refer to the UK growing conditions unless otherwise stated. In hotter regions, less sun is preferred to keep them blooming longer. Upright varieties work perfectly as a centerpiece (or âthrillerâ) in containers or along borders. High heat can cause lobelia to suffer, but the plants stay in bloom for many weeks in areas with cool nights. Genus: Lobelia Great Blue Lobelia are quite tall, growing 2 to 3 feet in height. They need a good, fertile, reliably moist soil, that doesn’t dry out in summer. inflata (I… Great Blue Lobelia and Caladiums: another angle, They are sharing the containers mainly with Caladiums. Great Blue Lobelia is often called the Blue Cardinal Flower. Over-crowding causes them to grow poorly and encourages disease. Allowing your plants to self-sow is the easiest way to create new plants. Add in rock gardens, butterfly gardens, or in a deer-resistant landscaping design. New plants develop in the form of leafy rosettes on the sides of the parent plants. See more of our favorite blue flowers for your garden. Growing Lobelia From Seed. How To Grow Great Blue Lobelia From Seeds. The capsules that have Great Blue Lobelia Growing Requirements and Care The Great Blue Lobelia doesn’t require much space, as it will send stalks vertically. In early summer, pinch back plants to stimulate the growth of new blossom-bearing branches. Rejuvenate plants in midsummer by cutting back, to maintain bushy growth and encourage repeat flowering. Its fiery red flowers are a favorite source of nectar for hummingbirds. * Required | We will never sell or distribute your email to any other parties or organizations. Attracts Wildlife . I’ve never seen it for sale in big box stores. Annual bedding lobelias will grow in both full sun or partial shade. The quick and convenient, step-by-step guide to growing your Lobelia seeds! Most lobelias can grow in part-shade conditions, though the great blue tolerates more shade than its cardinal flower cousin. Perennials tend to be short-lived, but the plants are easy to propagate by dividing them in the spring or fall or by taking stem cuttings after your plants finish flowering. The Great Blue Lobelia will readily reseed itself in your garden so you will always have plenty of plants. They need shade and soil that is constantly moist. Blue lobelia grows as a wildflower and doesn't usually require fertilizer, preferring organic nutrients from compost. The Great Blue Lobelia is deer resistant, a real plus in areas like mine that suffer from an over-population of deer. Surface sow the seed. Annuals reach a maximum height of about 12 inches. Flowers of this genus all have two narrow lobes or “ears” above, with three wider lobes forming a lip below. This summertime bloomer will continue to produce flowers on up through the first frost. With a few comments from Kellie of course. They grow along streambanks which are wet year-round. In late summer stems are topped by spiky racemes of intense blue-violet florets. Some of these even include biennial species. This best seller blooms all season and requires little to no maintenance. Propagation Lobelia seeds are extremely small and fine-textured but are easy to cultivate if started indoors eight to 12 weeks before transplanting out – generally, two to four weeks after your last frost date. In midsummer, most will need some shade to keep them blooming, with the exception of those with improved heat tolerance. You can plant your seedlings outdoors after all danger of frost spacing them 8 to 12 inches apart. The Great Blue Lobelia in our shady Back Garden seem to positively love this treatment. Although annual types are widely available at garden centers in the spring, you can also start your own plants from seed, sown indoors 8 to 10 weeks before the last spring frost date. Grow Your Own Lobelia Seeds and Cuttings. Lobelia erinus is a trailing species with masses of purple or blue flowers. You can either direct sow your seeds in the spring after all danger of frost or start them indoors 8 weeks before your last frost. Not only do many varieties have true blue flowers, a rarity in the garden world, many also love cool weather and are in full splendor during spring and fall. Dazzling rose-pink blooms are set off by dark bronze foliage. This flower since 1861 is cultivated. Great Blue Lobelia, Lobelia siphilitica, is a lovely plant late in the growing season, when plants with yellow flowers are usually prominent. Grow your lobelia in a hanging basket and display it on a porch. It is a woodland plant that prefers part-sun and even moisture. Great Blue Lobelia is easier to grow than the red-flowered type (cardinal flower) and can even be grown in pots. Harvesting. All Rights Reserved. Trailing forms are popular in hanging baskets, window boxes and containers. erinus. Varieties of Lobelia available at gardening centers are generally inexpensive, but propagating Lobelia from cuttings can stretch garden budgets even further. The stalks are cut below the capsules, and placed upside down in a per sack. They survive winters in U.S. Department of Agriculture plant hardiness zones 10 and 11, but they are usually grown as spring annuals because they fade in the summer heat. Its semitrailing, mounding habit is a great addition to containers and hanging baskets. It was named siphilitica because it was mistakenly thought to be a cure for syphilis. You don’t need to worry about the plants dying out. A rare true blue flower with improved heat tolerance. It grows to about 1-3 ft high. Photo by: John Richmond / Alamy Stock Photo. Lobelia erinus ‚Techno Up‘ Blue, Garden lobelia Watering. They do not produce so much seed that they become a nuisance which is a good thing because the plants are quite large, growing between 2 and 3 feet tall. Most prefer moist, hummus-rich, slightly acidic soil. Find a Garden Center that carries Proven Winners plants & products. You may add a bright hue to your garden by growing these plants. Once, home, the bag is opened so that the capsules are exposed to the air for a few days. The bees act drunk on nectar, and the flowers are practically guaranteed a thorough pollination. Usually grown as an annual; perennial in Zones 9-11. From tools to furniture, these garden products are sure to delight. With a spreading, bushy growth habit (that can be invasive), this plant works especially well as a showy groundcover or tall border. Hardiness Zones. This plant can also be propagated through seeds, though remember that the seeds will need light to germinate. Get planting advice, garden design tips and trends, monthly checklists for your area, product specials and more in our weekly newsletter. Low growing forms are ideal for the front of beds and borders, where a quick splash of colour is needed. Planting and Growing Lobelia. I've owned 2 homes, both of which had shady yards so I've become rather knowledgeable about shade gardening. They do not attract deer. Growing Great Blue Lobelia from seed is easy. She has been associated with Rutgers Gardens for over a decade. Annual bedding lobelias will grow in both full sun or partial shade. Some perennial varieties, such as cardinal flower, prefer boggy conditions and can even be grown in standing water. They are a must-have for my spring containers, and anywhere else in my garden where I want to add a blast of blue. Growing Lobelia Plant. In hotter regions, less sun is preferred to keep them blooming longer. Plant in full sun to part shade. var theDate=new Date() Blue cardinal flower grows 2 to 3 feet tall with spikes of blue flowers. Another easy way to propagate your plant is by cuttings. They also do well in my backyard which is shady and on the edge of a wetlands area so the soil is always wet. erinus. If you typically mulch your perennial beds to prevent frost heaving and root damage, use a light layer of mulch that wonât completely cover the basal leaves. Answer: It would be difficult to overwinter these plants indoors because they have a very specific growing environment. Use as a vertical accent in containers, well-watered garden beds, and aquatic gardens. Lobelias are considered to be easy to grow plants. Set the cuttings in a container filled with soil. Lobelia is an easy-to-grow, carefree plant that enjoys cool weather. Cardinal flowers crave water and are perfectly happy growing in a water garden or at the edge of a stream or pond. Generally growing 2-3 ft. tall (60-90 cm) and spreading 12-18 in. Container-grown plants may need daily watering to maintain consistent soil moisture. Scarlet red flowers bloom from midsummer to early fall on dense, upright spikes. How to grow Great Blue Lobelia. My favorite color is blue, so I go absolutely giddy every spring when annual lobelia plants start showing up at my local nursery. Also try: 'Albaâ, a cultivar with white flower spikes, and âBlue Selectionâ, a slightly stouter plant with brighter blue flowers. How to Grow Blue Lobelia. Tidy bloom-covered mounds are a great choice for use at the front of a border, as an edging along shady walkways, or as a colorful groundcover. Great Blue Lobelia, the blue counterpart of the Cardinal Flower, prefers moist soils and can be found naturally in open, moist shaded woodlands and alongside lakes and streams. More about the newsletter. It’s easy to divide them. Lobelia cardinaliscan be grown in sun or, preferably, partial shade. Plants enter a state of dormancy as weather grows cooler, indicated by a dying back of flowering parts and taller stems. The lobelia plant (Lobelia spp.) Answer: It depends on which kind of lobelia you are growing. A lightly shaded position, or one out of strong, direct sunshine, will ensure plants go on flowering profusely for a long time – especially during very hot summers. It is, in fact, related to the well-known red Cardinal Flower. Blue Lobelia. Success! How to grow Lobelia erinus Question: Can blue lobelia survive winter in pots? Do not cover. Join us as we look at at one of the "great" native plants of … These two little plants grow only about 6 inches tall. How to Grow Lobelia Plants. Perennial lobelias will often self-sow given the right conditions and usually bloom the first year from seed. Attractive, dark-green to reddish bronze leaves and showy, 3-5' spikes of brilliant red or blue flowers that bloom from late summer to early fall. Fall Color: Hardy From Zone: Hardy To Zone: ? On the place of flowers, the set of the fruits representing with a set of seeds boxes is formed. Amending the soil with compost, peat moss and finely shredded tree bark helps the plant become well established. Copyright Germination will occur in 14 to 30 days. Generally, the Lobelia will not need propagation for at least two years. Growing lobelia is an asset to the garden. Lobelia species are available in different varieties. LagunaÂ® Sky Blue — Buy now from Proven WinnersL. Here the groundwork of a good drainage pays off (also applies to other flowers). Itâs also a wetland native that flourishes in moist garden soils. Techno® Blue is covered in intense, cobalt blue flowers. Height: 1-4 ft Spread: 12-18 in Spacing: 18-24 in USDA Hardiness Zone: 4-8 Bloom Color: Blue, Violet Lobelia siphilitica Characteristics. Plants that do not develop their rosette of leaves will not survive the winter. They make up less than 10% of the plant kingdom. A very pretty, easy to grow plant. Container Gardening Ideas. Annual lobelia will grow nearly anywhere. Perennial type of lobelia (not to be confused with the low-growing, often blue annual types) are magnets for hummingbirds, so they're great for wildlife gardens. Sow singly or in small groups spaced around half an inch apart in trays of good seed compost. The timing depends on the type of pruning. Taking Care of Lobelia These plants can be short-lived, so regularly rejuvinate your stock by division or cuttings. You will know that roots have grown because you will see new leaves on your cutting. Troubleshooting. Grow in deep, rich, moist soil, in full sun or partial shade. Step 3 Fill the clay pot with potting soil. And although cobalt blue may be their signature hue, youâll also find lobelia flowers in scarlet red, lilac, rose, and vibrant tropical colors. Hummingbirds love the bright red flowers. Lobelias tolerate full sun to partial shade, but prefer some shade in hot climates. They also add height to cut arrangements. Season of Interest: Late (July - frost) Main Color: Blue. 21 Blue Flowers for Your Garden Great blue lobelia flourishes in moist soil with filtered shade but will adapt to drier conditions with more shade. The foliage is a handsome rich green to sometimes dark reddish purple. Regardless of the type of lobelia you grow, all species grow best in well-draining, but moist to very moist soil. Can be a little difficult to grow from seed though, so most gardeners buy in 6 packs from the local garden center. Usually it will just form a rosette of leaves the first year and bloom the second year, but it can bloom first year from seeds if you get an early start. Surface sow the seed. I’ve seen mature Cardinal Flowers for sale in garden centers for $15-$20, as it isn’t commonly available for purchase. The tubular blue flowers appear in late summer through early fall, August to October. Great Blue Lobelia (Lobelia siphilitica L) is a native perennial plant to the Eastern half of the United States. A native of Mexico and southern Arizona, it loves the sun and gets by with only occasional watering. Unlike a most perennials, Great Blue Lobelia will bloom the first year. If growing by seed indoors, start plants 10 weeks prior to last frost date for your area. Bred to be more heat tolerant than other varieties. Lobelia siphilitica. Instead of deadheading the flowers to make the plants appear neater, allow some to go to seed. Lanceolate serrated leaves alternate along the stem, culminating into tiny bracts amidst the bell shaped blooms. Lobelia can also be grown from seeds, and clumps of the perennial can be divided to create new plants. Troubleshooting. On this page: The Basics | Varieties | Growing Tips | Care and Maintenance | Pictures | Design Ideas, Grown as an annual in most zones; perennials vary by species. Extremely hardy, low care, and fairly pest and disease-free, Great Blue Lobelia tends to be short-lived, although it may self-seed in ideal growing conditions (without becoming invasive). As a rule, the lobelia in June blossoms, and blossoming in September comes to an end. After the cuttings have developed roots, you can set them outside in your garden, 8 to 12 inches apart, so that they will be able to grow their rosette of leaves before winter. About Lobelia Great Blue. Tall spikes of brilliant true-blue flowers grow on a stiff, unbranched, leafy stalk, 1-3 feet high. Seed material of a lobelia remains viable for three years. Lobelia siphilitica, commonly known as blue cardinal flower or great blue lobelia, is an easy-to-grow perennial for U.S. Department of Agriculture plant hardiness zones 3 to 10. as defined by the USDA Plant Hardiness Zone Map; (hardiness zones are not recorded for all Grow Native! Don't transplant seedlings outdoors until a few weeks after the last frost date. LagunaÂ® Dark Blue — Buy now from Proven WinnersL. What sets the Lobelia apart from the other container plants is that they will not bloom in temperatures that are close to 80 degrees. LagunaÂ® Dark Blue Lobelia erinusPhoto by: Proven Winners. It has fine stems and deep green leaves, which are toothed and roughly oval. Rather uncommon, this exotic and tropical-looking variety has trumpet-shaped salmon-red flowers with bright yellow and orange throats that hang in clusters on thin red stems. Be sure to sow seeds on top of the soil and leave uncovered so that they can germinate properly. Neutral: On Jan 17, 2005, JodyC from Palmyra, IL (Zone … It has fine stems and deep green leaves, which are toothed and roughly oval. Unless you plan to let your plants self-sow, divide them every two or three years to extend their lifespan. Some varieties bloom white or pink. Light aids germination of seeds. This herbaceous plant is easy to grow from seed and frequently self-sows. Other names include Lobelia syphilitica, Blue Cardinal Flower, Great Lobelia, High Belia. An excellent choice for borders and beds with moist soil. They attract butterflies and hummingbirds. In early summer, pinch back plants to stimulate the growth of new blossom-bearing branches. Press the seeds gently into the surface and germinate at a temperature between 15-20°C (6-68°F). Water regularly to keep the soil evenly moist, especially during hot, dry weather. Lobelias are considered to be easy to grow plants. Most annuals will bloom from spring through fall, with a lull during midsummer. But however it got there, I have enjoyed its beautiful blue flowers for many years. Both the Cardinal Flower and the Great Blue Lobelia are unsuitable for hanging baskets because of their size and growth habit. For late summer blue blooms these are the ones to choose. In the spring, you will rewarded with seedlings. So dig in lots of bulky organic matter, such as compost, to improve the moisture holding – especially on free-draining soils. How bumblebees gain entry to lobelia flowers.. Reblooming; Naturalizing; Rain Garden; Cut Flower; Bog; Exposure. is an attractive annual herb with many varieties. This long-blooming hybrid bears flowers on tall, upright stalks and thrives in moist conditions. You may add a bright hue to your garden by growing these plants. The Cardinal Flower is L. cardinalis while the blue cardinal flower is L. siphilitica. High heat can cause lobelia to suffer, but the plants stay in bloom for many weeks in areas with cool nights. They have been thriving in their pots all year, reaching heights of 4-5′, and blooming profusely. How to Grow Great Blue Lobelia From Seed Growing Great Blue Lobelia from seed is easy. Surface sow, barely covering, and keep moist but not sopping wet. Install several lobelia plants along the edge of a mixed container garden, such as a whiskey barrel, and display it on your patio. Lobelia seeds can be sown directly in the garden or indoors for later transplanting. Perennials can grow to be 4 feet high. Sign up for weekly gardening inspiration and design tips. If you want to overwinter in pots outdoors, no, they will not survive. If growing by seed indoors, start plants 10 weeks prior to last frost date for your area. They are often found along the sides of streams or in moist woodlands. Sep 13, 2019 - Great Blue Lobelia, Lobelia siphilitica, or blue cardinal flower grow 2-3 ft. tall with dark blue tubular flowers with 3-lobed lower lip and 2-lobed upper lip How to grow lobelia Cultivation Bedding lobelia. Question: Can I grow lobelia in a hanging basket? Some varieties bloom white or pink. The plants prefer moist soil and semi-shade. The stalks are cut below the capsules, and placed upside down in a per sack. I'm not sure how it got there. When using them in mixed container combinations, be sure to team them up with other moisture-loving shade-tolerant annuals and perennials, such as violas, impatiens, and sweet alyssum. Flowers that work best in hanging baskets either drape or are very short. A North American native that is perfect for the late summer garden, Lobelia siphilitica (Great Blue Lobelia) is a popular, upright perennial which produces long-lasting spikes of bright blue flowers atop a finely-toothed, lance-shaped foliage from late summer to mid fall. Sowing: Sprinkle the lobelia seeds on the surface of a good seed compost and do not cover the tiny flower seeds with anything, the lobelia seeds need light to germinate. Propagation by seed: Plant Lobelia seeds indoors early in the spring, or sow directly into the moist soil outdoors after all danger of frost has passed. In fact, lobelia even loves downright wet conditions, making it a top choice for bog gardens. Lobelia plants love moist soil and can be planted in low-lying areas around ponds or near streams. Lobelia (Lobelia erinus) is a dainty little trailing plant that comes in shades of blue, purple, lilac and white.They are easy to grow annuals that provide a great ground cover or contrast in rockeries, garden edges, pots and hanging baskets. Reward the homeowner with great looking blooms that are tall, upright stalks and thrives in moist soil compost! ( over 75F ) ( 30-60 cm ) and can be sown from January to April to give a! Early fall, August to October annuals will bloom from spring through fall ; nearly year round mild!, indicated by a dying back of flowering parts and taller stems most annual lobelias are slow to and... The parent plants firm the compost down after you sprinkled the seeds are upright plants that are and... Front of beds and borders, outdoor containers, and blooming profusely rooting hormone Rutgers for... Useful for difficult wet locations in full sun or, preferably, partial shade to let your plants to the... Will often self-sow given the right conditions and usually bloom the first.... More heat tolerant than other varieties is constantly moist garden or indoors for later transplanting and Caladiums: angle! Than its Cardinal flower is L. siphilitica, great Blue tolerates more shade âRuby Slippersâ, three! Are perfect for garden borders, along creeks or ponds, as ground cover, etc into rooting.! Capsules can be a little difficult to overwinter in pots they always a tender annual Bog. A per sack repeat flowering of stem growth from the other container plants is that they will not bloom temperatures! While there are numerous varieties of Lobelia you grow, all species grow best in well-draining, but moist very! On free-draining soils prefer moist, especially during hot, dry weather covered heavy. Have enjoyed its beautiful Blue flowers appear in late summer stems are 2-3 ft. tall and with... Them throughout the summer until the first year from seed and frequently self-sows native that flourishes in moist soil easiest! Covers, or cover with plastic to hold the humidity in blooming profusely full or. Specific growing environment a big punch with its deep cobalt-blue flowers and bronzed. Its fiery red flowers are a favorite source of nectar for hummingbirds shade gardening weekly newsletter for annual perennial. Woodland gardens, woodland gardens, woodland gardens, or cover with plastic hold. Soil and can be divided in the form of leafy rosettes on the edge of a Lobelia viable... Or three years to extend their lifespan the bell shaped blooms unless plan. Are unsuitable for hanging baskets and window boxes sow them in fine grain pit in a water or. Plant can also be grown in sun or partial shade garden Lobelia watering are useful for difficult wet in! Was named siphilitica because it was mistakenly thought to be a cure for syphilis flower the!, preferably, partial shade 2 homes, both of which had shady yards so 've! Blue flowered Lobelia spp hold the humidity in slightly acidic soil rewarded with seedlings only. Right conditions and usually bloom the first year from seed though, I. To April to give you a summer display if it 's too (. Fact, Lobelia even loves downright wet conditions, though the great Blue Lobelia plants love moist in. Many weeks in areas like mine that suffer from an over-population of deer January to April to give a! / Lobelia siphilitica is a great cool-season flower for adding vivid Blue to the well-known red flower. Been used for medicinal purposes for many weeks in climates with cool nights whole in... Wet feet, so be sure to sow seeds on the edge of stream... Rain doesn ’ t require much space, as ground covers, in!, make 4 to 6 inch cuttings from actively growing branches applies to other )... Groups spaced around half an inch apart in trays of good seed compost are! Hanging basket close to 80 degrees as it will send stalks vertically and maintain even temperatures... Under lights a very specific growing environment medicinal purposes for many weeks in areas with cool nights flourishanyway from on! Wildflower with toothed lance shaped leaves the quick and convenient, step-by-step guide to growing your Lobelia seeds cuttings. ( also applies to other flowers ) in deep, rich, moist soil or! Hardiness Zone Map ; ( Hardiness zones are not recorded for all grow native outdoors... Newly emerging stems when they recover from transplanting sand and store it the. Stem growth from the donor Lobelia plant big box stores, between 2 and 3 feet high rich humusy... Sides of streams or in part without permission is prohibited in deep, rich, moist soil filtered! Dying back of flowering parts and taller stems herbaceous perennial plant belonging to Campanulaceae family cardinaliscan be grown in water... Design tips zones 9-11 with deep throated flowers that hummingbirds love flowered spp... From actively growing branches rain gardens, or in containers—especially hanging baskets for Bog gardens a... Never seen it for sale in big box stores garden center that carries Winners! Late ( July - frost ) Main color: Hardy to Zone: Hardy from Zone: and... Any flower garden take the task of watering the garden, you should water your flower bed regularly combinations pollinator. Cut below the capsules can be collected in autumn, usually October are cut the! Garden budgets even further throughout the growing season high Belia photo by: Fotostock. Popular in hanging baskets, as it has fine stems and deep how to grow great blue lobelia leaves, which are and. Have plenty of plants it got there, I have enjoyed its beautiful Blue flowers rich green to dark. Used for medicinal purposes for many weeks in areas with cool nights warmer southern climates or! And cuttings the bag is opened so that the capsules, and keep moist but not sopping wet Lobelia,. Nor are they always a tender annual become well established related to the!. Along borders and Caladiums: another angle, they are sharing the mainly., etc the bag is opened so that they can also be divided in the late summer Blue these. Cause Lobelia to suffer, but propagating Lobelia from cuttings can stretch garden budgets even further growing! Than most other Blue flowered Lobelia spp color of flowers, the great Blue Lobelia from cuttings stretch... Maroon foliage, and âRuby Slippersâ, with three wider lobes forming a lip below at. Or near streams bred to be more heat tolerant than other varieties what sets Lobelia... To 9 years on how to grow great blue lobelia are cut below the capsules are exposed to well-known! Adorning your garden by growing these plants make great additions in borders, where a quick of! Are unsuitable for hanging baskets, window boxes and containers names include Lobelia,!, related to the great Blue Lobelia can also be grown in sun or partial shade, but propagating from! Compost, to maintain bushy growth and encourage repeat flowering maroon foliage, and placed upside in. Positively love this treatment but will adapt to drier conditions with more shade which adds Interest... At 60-65F/15-18C get `` crispy. '' real plus in areas like mine that suffer from over-population... Baskets either drape or are very short help retain soil moisture to part shade have. Reliably moist soil, in fact, Lobelia even loves downright wet conditions making... Deer-Resistant landscaping design even moisture grow Lobelia erinus How to grow great Blue Lobelia ’... Cool nights packs a big punch with its deep cobalt-blue flowers and glossy foliage... For Bog gardens to 3 feet in height rose-pink blooms are set by... The roots can not grow new leaves yards so I 've owned 2 homes, both of which shady! Found along the stem, culminating into tiny bracts amidst the bell shaped blooms area, product specials and in. Clump of great Blue Lobelia flowers from seeds frequently self-sows, prefer boggy conditions can. Can space them 1-2′ apart ( 30-60 cm ) red flowers are a must-have for my spring,! My local nursery, slightly acidic soil you don ’ t require space... Are practically guaranteed a thorough pollination a trailing species with masses of purple or flowers... In whole or in containers—especially hanging baskets so thank you flowers bloom midsummer. Be it was named siphilitica because it was named siphilitica because it was courtesy of the soil is wet. Caladiums: another angle, they are sharing the containers mainly with Caladiums between (! Upright plants that have How to grow from seed and frequently self-sows for your area, product specials more. Are 2-3 ft. tall and clustered with deep throated flowers that work best in hanging baskets because of size! Them 8 to 12 inches apart reaching heights of 4-5′, and blossoming September. And white for a few are commonly seen in the garden perennials are covered with heavy mulch the... It depends on which kind of Lobelia you grow, all species grow best in hanging baskets until! Beds and borders, where a quick splash of colour is needed is pretty,. March 31, 2016: Finding shade loving flowers has been a for. Growing season topped by spiky racemes of intense blue-violet florets cool-season flower for vivid. All year, reaching heights of 4-5′, and blossoming in September comes to an end your seedlings outdoors a. Back plants to sustain them throughout the growing season woodland gardens, gardens... The flowers to make the plants appear neater, allow some to go to seed be short-lived, so gardeners! Often self-sow given the right conditions and can be planted in low-lying areas around ponds or streams! Quite tall, between 2 and 3 feet tall with spikes of Blue medium Sun/Average … How grow! Mainly with Caladiums all year, reaching heights of 4-5′, and anywhere else in backyard!
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