In the North, lobelia blooms all summer and into fall, until the first frost. This type of lobelia is perennial only in zones 10 and 11. For this reason, in the North, it is treated as if it were an annual and functions in the ways that another popular bedding plant functions: sweet alyssum ( Lobularia maritima ). Ease to Grow: Easy. The charming plant … Add to Wishlist. Giant Blue Lobelia. Add to Cart. Also known as Big blue lobelia, Blue cardinal flower Lobelia siphilitica Lobeliaceae Family Similar to Cardinal Flower (Lobelia cardinalis), except this short-lived perennial bears long-lasting bright blue flowers (instead of red) atop 2- to 3-foot-tall plants. The small seeds require light to germinate. Plant Perennial Lobelia Seeds: Sow seeds in cell packs or two in. Type: Native Wildflowers. SUN/PARTIAL SHADE/WOODLAND Shipping: Usually ships in 2 business days For a guaranteed delivery date, Please contact customer service Lobelia Seeds - Blue Carpet. Native Americans made a leaf tea to treat colds, fevers, stomach ailments, croup, worms and nosebleeds. Call us at 1 315 4971058. Great blue lobelia (Lobelia siphilitica), also called blue cardinal flower, is another native perennial wildflower that bears long-lasting bright blue flowers. Blooming in late summer, Great Blue Lobelia attracts hummingbirds and bees. In nature, Blue […] They thrive in partial or full-shade and in loamy, well-drained soils. Flowers vibrant light blue to 2 feet. Blue Lobelia makes a great garden plant—butterflies love it. Lobelia Regatta Sky Blue. This award-winner is extremely heat tolerant and does not require deadheading. Lobelia … We gather, process, and package every seed variety we carry ourselves with love and care in small batches. Lobelia, Crystal Palace Blue. Native Range: Wetlands of North and South America. Growing of lobelia from seeds Lobelia sowing. It is an herbaceous, perennial dicot native to eastern and central Canada and United States. Great Blue Lobelia Lobelia siphilitica Description & Overview. Description. Species Origin: US Native Wildflower. Great Blue Lobelia - Lobelia Siphilitica is a Hardy Blooming Plant. Ideal soil temperature for germination is 60°–70°F. 500,000. It wants medium to moist soil and does not tolerate drought. Neutral: On Jan 17, 2005, JodyC from Palmyra, IL (Zone 5b) wrote: The flowers attract bumblebees primarily. Gently firm the compost down after you sprinkled the seeds. USDA Zone: 4-9. Perennial; Zones 3 or 4 to 9. Medium seed should be planted at 1/4- to 1/2-inch deep, depending on the recommendation. Growing up to a meter tall, it lives in zones 4 to 9 in moist to wet soils. Other names include Lobelia syphilitica, Blue Cardinal Flower, Great Lobelia, High Belia. Lobelia Riviera Midnight Blue. Pricing. Conditions: Part sun, moist soil. Surface sow the seed. until germination occurs. The Native Americans claimed many medicinal uses for this important native plant which also is stately and unusual in the garden or naturalized area. Hardy, North American herbaceous perennial bears bright blue flowers in dense clusters, mid to late summer. Lobelia is very easy to take … Great Blue Lobelia. These capsules have a lobe shaped base. Color: Blue to Purple. Previous. Transplant the seedlings as soon as they can safely be handled and there is no chance of frost.) Native to eastern areas, blue lobelia was named by Linnaeus, who had heard of its use by Native Americans to cure venereal disease. Great for rock gardens, trailing pots, edging, and containers. An easy to grow native that will thrive in a partly sunny, moist spot in your garden, this Lobelia will spread and multiply when given the chance. Plant number: 1.328.500. Lobelia siphilitica alba. x Great White Blue Lobelia Seeds. Kept at 75°F., germination is usually within 4-5 weeks. Longer lived than the Cardinal Flower it blooms in the late summer producing spikes of deep blue … Dormancy: Preferred. 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. Growing of lobelia begins with seed sowing, since the main way of propagation of lobelia is by seeds. Great Blue Lobelia (Lobelia siphilitica) is a great option for planting near ponds, along lakeshores or rain gardens. starting at $8.30. Great Blue Lobelia stimulates the respiratory center causing stronger, deeper breaths and it useful for respiratory problems, like asthma, chronic bronchitis, whooping cough, and pneumonia. Kept at 75°F., germination is usually within 4-5 weeks. The Great Blue Lobelia is a colony-forming, clumping perennial which is well known for its long-lasting, deep violet-blue floral spires from late summer to mid-autumn. ($19.50) 1 oz. (30-45 cm), this clump-forming Lobelia thrives in rich , humusy , medium to wet soils in full sun to part shade . Great Blue Lobelia (Lobelia syphilitica), Official Lobelia (Lobelia inflata) and Cardinal Flower (Lobelia cardinalis) Price shown is a discount. If not, put container inside a zip-lock bag and refrigerate for 4 weeks. Great Blue Lobelia - Organic Lobelia syphilitica 3-5' tall. ($450.00) Bare Root Plants Bare Root Plants ($7.00) Potted Plants Tray of 38 (Out Of Stock) 3 Pack ($20.00) Qty. Lobelia siphilitica. Lobelia siphilitica Great Blue Lobelia Seed $ 3.00. Needs light to germinate. Fresh Seeds - 75 Red Cardinal Flower Seed, Lobelia, Heirloom Wildflowers, Attracts Butterflies Bulk Package of 30,000 Seeds, Wildflower Mixture"Dazzling Blue" (99% Pure Seed - … Great Blue Lobelia or Blue Cardinal Flower, Lobelia siphilitica, is a striking, tall, wetland plant with vibrant blue flower heads.Each flower has two upper petals and three spreading lower petals, all joined in a long nectar tube. The Great Blue Lobelia Lobelia siphilitica is a species within the Campanulaceae family. starting at $8.30. Growing Great Blue Lobelia from seed is easy. A beautiful native with a rosette of velvety leaves and pretty blue flowers on long stems in midsummer. Some nice companion plants that bloom the same time as Cardinal Flower would be White Turtlehead, Great Blue Lobelia, and Ironweed. Sow seed in spring or fall. Common Name: blue cardinal flower. Light aids germination of seeds. In stock. Great Blue Lobelia is a herbaceous perennial that may grow 3 to 4 feet tall. until germination occurs. Collecting seeds now 10/2020. For a stunning display, plant in groups. If not, put container inside a zip-lock bag and refrigerate for 4 weeks. Upright and densely branched, they bloom profusely and seem to cover the greenery beneath them! Lobelia Riviera Sky Blue ... Harris Seeds is a privately owned seed company with a long tradition of supplying the finest vegetable seeds, flower seeds, plants and supplies to growers and gardeners since 1879. Deer resistant, it’s a nice pond-side or bog plant. Lobelia Great Blue Seeds - giant bulk butterfly bees #215 1250 seeds, .05 gram - $1.49 USD 2500 seeds, 1/10 gr - $3.29 USD 6000+ seeds, 1/4 gr - $6.69 USD 12,500 seeds, 1/2 gr - $10.29 USD 25K seeds, or 1 gram - $14.89 USD 50K seeds, or 2 gram - $20.09 USD Seasons of Interest: Blooms: Late summer/fall Nut/Fruit/Seed: Fall. Plants are very hardy, especially compared to red lobelia varieties, and will return year after year reliably. Excellent for border plantings and containers, our Compact Blue Lobelia is just as the name describes, an award-winning variety with large, vivid flowers. This U.S. native often self-sows, creating beautiful drifts of blue in borders and meadow gardens. Lobelia Regatta White. Great Blue Lobelia forms a flower spike covered in deep blue flowers from late summer to early fall. This easy-to-grow native species bears heads of dark blue to white flowers through late … It is doing quite well in my own poorly drained clay soil in full sun, blooming most of the summer through early fall. Great blue lobelia grows between 12-18" in zone 3-9 from summer to early fall. Approximately 200 Great Blue Lobelia seeds per packet. Lobelia Regatta Sky Blue. Great Blue Lobelia Seeds $ 3.25. However, new shoots rapidly grow from the lower leaf axils and put down new roots. Water very gently. Range & Habitat: The native Great Blue Lobelia occurs throughout Illinois, except for a few counties in … Great Blue Lobelia has deep blue flowers in late summer for 3 to 4 weeks. 100 seeds per packet, Certified Organically Grown. This striking wildflower is native to moist shady woods, where it's usually found near a stream bed, though it does tolerates dry spells and full sun. When I sowed seeds I collected from that surprise plant, about 70 percent of them had white flowers; the rest were the regular (still beautiful) blue. 4-Pack, 4.25 in. Great Blue Lobelia. Lobelia siphilitica, PA Ecotype Great Blue Lobelia, PA Ecotype. A decorative species with indeterminate blooms. Plant your lobelia seeds on the surface of the soil since these seeds need light to germinate. GENERAL DESCRIPTION: Great Blue Lobelia (Lobelia siphilitica) is a tall, showy, perennial wildflower of the bellflower family (Campanulaceae) that grows in moist to wet open sites with circumneutral soils. 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. The species great blue lobelia (Lobelia siphilitica) produces spikes of blue flowers in mid- to late summer or early fall on 2- to 3-foot-tall plants.This white-flowered form of this U.S native popped up in my meadow a few years ago. Next. Found in prairie swales and wet prairies, along streams and in seepage areas. Short-lived seed. 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. The blooms have one white mark (vs. two on Great Blue Lobelia), and the flowers seem to be on one side. It prefers cool, moist conditions and does not tolerate drought at all. Lobelia siphilitica provides outstanding color for the border, wet meadow or pond edge. 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). This Lobelia can reach a height of 1-3’ with deep green foliage. (Allow the flowers to drop their seeds in fall, and you'll have a big group of plants in no time.) Larger seeds can be planted 1-inch or deeper, depending on the recommendation. Lobelia siphilitica, the great blue lobelia or great lobelia, is a plant species within the family Campanulaceae. 19 FREE Shipping Plant number: 1.328.500. It's usually found near stream beds, though it does tolerate full sun and an occasional dry spell. Then return to 75°F. They thrive in partial or full-shade and in loamy, well-drained soils. Description. $ 2.50. Full sun to partial shade, with soil that is on the moist side. These form a new plant the following year. The perennial Lobelias have upright spikes of large flowers, not at all like the more familiar trailing types grown in hanging baskets. Excellent for damp clay soil. Blue flowers with white to pink centers first mature in late summer and continue into mid-fall. Lobelia thrives in full sun but benefits from afternoon shade in hot climates. Any type of well-drained soil is suitable, including sandy, clay, or acidic soil. Although the plant blooms best in cool weather, it also performs well in climates with sunny, cool summers. This electric blue wildflower grows in moist shady forests. The 1” wide, Blue or Purple flowers are formed in a dense spike. These capsules have a lobe shaped base. Attractive to hummingbirds. A native Wisconsin wildflower, Great Blue Lobelia (Lobelia siphilitica) blooms in late summer with bright blue flowers on tall spikes that attract hummingbirds and butterflies.Sometimes a short-lived perennial, Great Blue Lobelia can self-seed under the right conditions, forming attractive colonies in woodland gardens and rain gardens. Attracts birds. Perennial blue lobelia is a relatively unknown perennial, with masses of absolutely-stunning blue blooms held on tall spikes! Lobelia siphilitica Alba and over 1000 other quality seeds for sale. Lobelia, Great Blue (Lobelia siphilitica), packet of 100 seeds, organic quantity. The Lobelia genus was once in its own Lobeliaceae family, then was moved to the Campanulaceae (Bellflower) family but … Keep the seed trays, pots at a temperature of 18-24 Celsius. One of the best edging plants. Default - $2.99 USD. Blooms in August - September in my garden. The germination can take 14-20 days. Cardinalis siphilitica. The flowers are larger than other Lobelias and have stripes on the tube portion. Blooms are true-blue, and not a shade of violet. Add to Cart. Latin Name: Lobelia siphilitica. The botanical name siphilitica stems from an early belief that this plant could be used to cure syphilis. https://www.doityourself.com/stry/how-to-grow-a-lobelia-from-seeds The plant is hardy and known to bloom straight through the frost. Lobelia Seeds & Plants Lush, richly hued lobelias thrive in wet climates, full sun or partial shade, and are adored by birds and butterflies. 8 to 10 weeks before your average last frost date. Lupin Blue Approximately 9 Seeds in the packet We have chosen this easy to grow variety especially to encourage children into the garden. Combine Blue Lobelia with Cardinal Flower for a stunning color combo that will bring in the hummingbirds. Reseeds easily. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Growing 2’-3’ tall and 1’-2’ wide, L. siphilitica blooms at the same time as … ($7.50) 1/4 oz. For some nice companion plants that bloom before Cardinal Flower, Liatris Spicata, Swamp Milkweed and Monarda didyma would make great choices as … Blooms with multiples flowers on a single stalk from mid summer through 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. Growing Lobelia plants in a containers is done in a few simple steps. Keep the seed trays, pots at a temperature of 18-24 Celsius. Great Blue Lobelia 3.5 inch pot $9.50 (Temporarily Sold Out*) *We normally carry this item but are temporarily sold out. Magnificent tall blue flower spikes on an attractive foliage. Lobelia siphilitica - Great Blue Lobelia. Great blue lobelia grows between 12-18" in zone 3-9 from summer to early fall. What sets the Lobelia apart from the other container plants is that they will not bloom in temperatures that are close to 80 degrees. Blue Cardinal Flower SEED. Jun 10, 2021 - Lobelia siphilitica, the great blue lobelia or great lobelia, is a plant species within the family Campanulaceae. Great Blue Lobelia can be highly variable in height, depending on environmental conditions and its stage of development. Lobelia siphilitica– Sometimes called blue cardinal flower, this species is also perennial and grows up to 3 feet tall. Lobelia siphilitica Spectacular spikes covered in two lipped blue flowers Late summer blooms Stunning in mass wildflower Easy to grow, perfect for wetlands Attracts butterflies & hummingbirds Organically Grown Perennial Flower Seeds for sun to part shade. The leaves are alternate with a toothed margin. Great lobelia (Lobelia siphilitica): hardy perennial, with blue flowers and an upright habitLobelia erinus 'Laguna': tender perennial, with blue flowers and a trailing habit. Gently firm the compost down after you sprinkled the seeds. How to Plant and Grow Lobelia. Spikes of lovely blue flowers rise above sturdy plants in late summer. Scientific Name. pots, press into soil but do not cover. Lobelia siphilitica, 200 seeds, Great Blue Lobelia, electric blue wildflower, moist shade, perennial zones 3 to 8, hummingbirds. Great Blue Lobelia, with stem and flower parts labeled, raceme and individual flowers above. The flowers are deep blue, 2-lipped, and bloom August through October. Attractive bronze-leaved foliage. Seeds Packet ($3.00) 1/8 oz. Intense dainty, cobalt blue flowers, 1/2" across, cover compact plants continuously until frost. Bees, butterflies, and hummingbirds are attracted to the tubular flowers, but deer typically avoid this plant. Generally grows to 3 feet in height but can reach 5 feet or more under ideal conditions Numerous blue-violet flowers bloom from July through September. Description. This native wildflower, Great Blue Lobelia, has been grown in American flower gardens since at least the beginning of the 19th century. The deep blue floral racemes play exceedingly well against the dominant yellows of other fall garden greats, and draw their own share of butterflies, bees and hummingbirds. Blue lobelia (Lobelia siphilitica) features tall flower spikes and bushy foliage, often growing to 3 feet tall with proper planting and care. Do not cover. Light-dependent germinators. Astonishing 3' purple-blue spikes of purple-blue … Height: 1-3’. The seeds need light to … PERENNIAL, Full sun to part shade, July-Oct, Blue, 3 ft North American Range: Eastern and Central US Nebraska Range: Statewide Soil type: Rich humusy soils Moisture: Medium to wet Uses and Description: Pollinator, showy, wetland edge, Deer tolerant, shade tolerant Seeds per ounce 500,000, Seeds per packet 1,000, Germination: CM(60), Lt Great Blue Lobelia produces elegant spires of blue flowers in mid to late summer. It blooms in 8-10 weeks from the moment of its sowing. GREAT BLUE LOBELIA - Lobelia siphilitica (Seeds per Packet: 1,000+) These plants are stunning and grow 1 - 3 feet tall, with toothed, alternate leaves. starting at $8.30. 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. Blue flowers first mature in mid-summer and continue into early fall. Or winter sow. Additional information. It is a herbaceous, perennial dicot native to eastern and central Canada and United States. The perennial Lobelias have upright spikes of large flowers, not at all like the more familiar trailing types grown in hanging baskets. Hardy Perennial Indoor Planting: Soak seeds overnight before planting. Propagation of Great Blue Lobelia: Seed - best sown as soon as it is ripe in a cold frame. Great Blue Lobelia - Lobelia Siphilitica is a Hardy Blooming Plant. Not only is lobelia popular for their bright white, red, purple and blue flowers, but they are remarkably easy to grow and maintain from lobelia seeds.They are also known for being able to grow in just about any climate, so long as there isn’t any snow on the ground when they’re planted. In early spring, this gorgeous North American native forms deep green rosettes, which produce tall green stems with alternate lance-shaped leaves. Days to Emerge: 15–20 days Seed Depth: Press lightly into surface Seed Spacing: Sow in groups of 12–20 seeds, 4"–6" apart This adaptable southeastern native perennial will thrive in your perennial border. Cardinal flower (Lobelia cardinalis): hardy perennial, with red flowers and an upright growth habit. When the seeds appear, they are contained in double celled capsules, each containing many seeds. Seeds of lobelia retain their germination capacity to three years. starting at $2.05. Blue-violet flower spikes appear midsummer. Cardinal Flower or Blue Lobelia Seeds (Lobelia cardinalis / Lobelia siphilitica) The most economical to get Blue Lobelia in your garden is to just grow it from seed. Bees, butterflies, and hummingbirds are attracted to the tubular flowers, but deer typically avoid this plant. When to Start Inside: RECOMMENDED. Lobelia Flower Garden Seeds - Regatta Series, Midnight Blue - 1000 Seeds - Trailing, Annual Flower Gardening Seed - Lobelia erinus $22.19 $ 22 . starting at $2.05. Lobelia siphilitica /Great Blue Lobelia. USDA zones 4-9. Type: … Lobelia siphilitica (Blue Cardinal Flower) is a showy moisture-loving wildflower with light to dark blue flowers in late summer. Tall spikes of brilliant true-blue flowers grow on a stiff, unbranched, leafy stalk, 1-3 feet high. Lobelia Riviera Sky Blue ... Harris Seeds is a privately owned seed company with a long tradition of supplying the finest vegetable seeds, flower seeds, plants and supplies to growers and gardeners since 1879. Fire Risk: This plant has a medium flammability rating. The spiked colony of flowers attracts hummingbirds and bumblebees. Plants grow from 1′-4′ tall. The 1” wide, Blue or Purple flowers are formed in a … Photos: Marybeth Hanley. In Mild Climates, sow in late summer for winter color.. It is a herbaceous, perennial dicot native to eastern and central Canada and United States. Great Blue Lobelia is easier to grow than the red-flowered type (cardinal flower) and can even be grown in pots. Lobelia Regatta White. Great Blue Lobelia. Lobelia Riviera Midnight Blue. Average germ time in warm soils is 1 to 3 weeks. $2.99. Availability: Currently Unavailable. This plant prefers moist, partly shaded areas. ($12.00) 1/2 oz. ($30.00) 1 lb. Approximately 200 Great Blue Lobelia seeds per packet. Lobelia is very easy to take … Lobelia cardinalis– Also known as cardinal flower, this is likely the most popular perennial species. Common Name: blue cardinal flower Type: … How to Plant and Grow Lobelia. The spiked colony of flowers attracts hummingbirds and bumblebees. One of the best sources of color for the cool-season container garden, Fountain Blue offers larger, earlier blooms than most other Lobelia varieties. NCBG Seeds Great Blue Lobelia $ 2.50 Select options NCBG Seeds Great Blue Lobelia; NCBG Seeds Green-head Coneflower $ 2.50 Select options NCBG Seeds Green-head Coneflower; NCBG Seeds Hoary Skullcap $ 2.50 Select options NCBG Seeds Hoary Skullcap; NCBG Seeds Large-flower American Aster $ 2.50 Select options NCBG Seeds Large-flower American Aster Great Blue Lobelia (also called Blue Cardinal Flower) is a tough, hardy perennial with large leaves and gorgeous, light blue blooms. Out of Stock Great White Blue Lobelia Seeds Lobelia siphilitica alba Quick View. Quantity. How to Grow Great Blue Lobelia From Seed. All parts of the plant are poisonous if ingested in large quantities. Care of Lobelia. (For spring planting, mix the seed with moist sand and store it in the refrigerator for 60 days before planting. It is pretty easy to do so, and you can get blooms the first year if you are early enough. This Lobelia can reach a height of 1-3’ with deep green foliage. Zones: 3-8 (2-10). Chemical-free farm-grown Great Blue Lobelia (Lobelia siphilitica) seeds for organic growing. Great Blue Lobelia makes great cut flowers. Grows 3-4 … About this Product. Grande Blue My Mind Dwarf Morning Glory (Evolvulus) Live Plant, Blue Flowers Blue My Mind from Proven Winners has true Blue My Mind from Proven Winners has true blue flowers and fuzzy, silvery-green foliage. This one is a grand 3 to 5' plant that quickly forms attractive colonies in light woodland or other shady spots. We expect to have it available again as soon as our plants in production reach sufficient size/maturity or we harvest more seed. Care of Lobelia. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Loves wet growing conditions. The plant has been cultivated since 1861. Giant Blue Lobelia. Description: Sometimes called blue cardinal flower, great blue lobelia likes full sun but will tolerate partial shade. 3 full-sized seed packets When the seeds appear, they are contained in double celled capsules, each containing many seeds. Great blue lobelia ( Lobelia siphilitica) produces spikes of blue flowers in mid- to late summer or early fall on 2- to 3-foot-tall plants. 100% Guaranteed! Seed Information: Approximate seeds per lb: 7,760,000 Seeding Rate: When used as part of a mix, ensure that the mix consists of not less than 0.1% and not more than 0.5% of the total. Lobelia siphilitica One of our most beautiful native wildflowers, the Great Blue Lobelia was an early export back to Europe by the first North American explorers and a popular garden flower since the 1600s. NCBG Seeds Great Blue Lobelia. Needs light to germinate. Look for blooms for late summer to early fall. Generally growing 2-3 ft. tall (60-90 cm) and spreading 12-18 in. Lobelia ×speciosa are popular garden hybrids (usually of L. cardinalis and L. siphilitica) with flowers in shades of blue, lavender, pink or red and a long summer bloom period. Approximate Seeds Per Packet: 839. Add to cart. Category: MEDICINAL HERB SEEDS L - M Tags: Great Blue (Lobelia siphilitica), Lobelia. USDA Zone: 4-9. 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. 24ins Tall spikes of blue flowers. Great blue lobelia is an excellent source for nectar and pollen, and will attract bees, butterflies and hummingbirds. Handmade. Bees, butterflies, and hummingbirds are attracted to the tubular flowers, but deer typically avoid this plant due to its toxicity. Great Blue Lobelia produces elegant spires of blue flowers in mid to late summer. The germination can take 14-20 days. They could grow their very own Lupins. starting at $8.30. Home / Pollinator Favorites / Great Blue Lobelia, PA Ecotype. Native perennial with lavender-blue flowers at the top of stems that can reach 2 to 3 ft tall. When to Sow Outside: 1 to 2 weeks after your average last frost date. This species was the tenth most attractive to natural enemies in the late season, with three times as many natural enemies as the grass control. Lobelia love the cooler temperatures and reward the homeowner with great looking blooms that are bright and vibrant. This is the blue-flowered species in the famous wild lobelia family. The dainty blue flowers are a lovely end of season addition to the garden. Then return to 75°F. $3.00. Blue-to-purple flowers bloom in spikes up to 3 ft tall. More Info. $ 3.00. Read our guarantee. Plants filled in well in second year of growth, and bloomed throughout August into early September. Great lobelia is not a true perennial because the shoots and associated roots die after the plant sets seed. # 1 | Direct sow your lobelia seeds in late fall. A decorative species with indeterminate blooms. In the wild, great blue lobelia is frequently seen growing in wet meadows and low areas. Great Blue Lobelia is easier to grow than the red-flowered type (cardinal flower) and can even be grown in pots. Great Blue Lobelia has deep blue flowers in late summer for 3 to 4 weeks. While false, the name stuck. It can form colonies when happily sited in medium to wet soils in light shade, but is not overly aggressive. The plant is hardy and known to bloom straight through the frost. Great blue lobelia (L. siphilitica), or blue cardinal flower, is another perennial wildflower with long-lasting, tall stems that feature bright blue flowers. pots, press into soil but do not cover. Plants grow 2-3 feet tall and bloom with spikes of scarlet colored flowers. Growing Lobelia from seed. Try to aim for a seed spacing of at least 1.95 inches (5.0 cm) and sow at a depth of around 0.0 inches (0.0 cm). Growing Lobelia Plant. Annual lobelia will grow nearly anywhere. Lobelia seeds can be sown directly in the garden or indoors for later transplanting. These plants typically require an area with full sun but will tolerate partial shade. They also prefer moist, rich soil. All seed varieties are grown at our farm, or gathered sustainably from the near by wilds. A tall grower, provide moist to wet growing conditions in partial shade. This plant grows well in partial shade and shade with moist to wet soil. A very pretty, easy to grow plant. Great Blue Lobelia, Lobelia siphilitica, is a lovely plant late in the growing season, when plants with yellow flowers are usually prominent. Plant Perennial Lobelia Seeds: Sow seeds in cell packs or two in. Great blue lobelia naturalizes easily in moist soils, but tolerates periods of drought better than Lobelia cardinalis. 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Blooms best in cool weather, it lives in zones 4 to 9 moist! ( cardinal flower, great Blue Lobelia - Lobelia siphilitica ) seeds for sale, easy take! To Sow Outside: 1 to 2 weeks after your average last frost date should planted! Red Lobelia varieties, and hummingbirds are attracted to the tubular flowers, at! Sky Blue in loamy, well-drained soils again as soon as they can safely be handled and there no..., process, and bloom August through October ): hardy perennial Indoor planting: Soak overnight... In mid to late summer ’ with deep green foliage in a few counties in … Lobelia in! The wild, great Blue Lobelia, electric Blue wildflower grows in moist shady forests a... Upright spikes of lovely Blue flowers from late summer award-winner is extremely tolerant! - Blue Carpet mid-summer and continue into mid-fall, not at all attracts hummingbirds and bumblebees the flowers formed! Beautiful drifts of Blue flowers, but is not a true perennial because the and. 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For later transplanting grown in hanging baskets grows well in partial or full-shade and in loamy, well-drained.! Are attracted to the garden as they can safely be handled and is... Or great Lobelia, Crystal Palace Blue of frost. seeds overnight before.... Quality seeds for organic growing 1000 other quality seeds for sale are larger than other Lobelias have.