The perennial can grow up to 2-3″ tall with arching stems that bear gracefully long and narrow leaves. 8 months ago. RELATED: erinus. Copyright The trailing variety is also one of the most popular hanging basket plants too. Lobelia tupa is an unusual and eye-catching plant that hails from Chile, where it can reach 2.5m tall. With a spreading, bushy growth habit (that can be invasive), this plant works especially well as a showy groundcover or tall border. Cardinal flowers can be transplanted in spring when danger of frost has past. Step 3 Lobelia is a fairly easy plant to grow from seed. Sow lobelia seeds from late winter until mid-spring in trays or pots of a good seed sowing compost. Fill the clay pot with potting soil. Photo by: Age Fotostock / Alamy Stock Photo. Perennial varieties can usually get by with a yearly application of fertilizer or compost in the spring. Reproduction in whole or in part without permission is prohibited. Remove any leaves from cuttings. 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. Flowering Plants for the Fall Garden The center cluster of lobelia tends to become woody and hard. Once established, the lobelia plant requires little maintenance. Sow fairly thickly in spring or autumn and transplant in clumps when the small seedlings are large enough to handle. How to grow Lobelia? Any thoughts? Container combination featuring Laguna® Sky Blue lobelia.Photo by: Proven Winners. So, divide the offshoots from the main plant. The new roots and leaves need time to become established in the garden so they'll be strong enough to weather the cold. Place in a propagator at a temperature of 18-24C (65-75F) or seal it inside a polythene bag and keep somewhere warm. Crafting and creative projects have been part of Heidi Grover's life since she was old enough to reach the glue and glitter. Due to serious toxic effects, L. inflata is not commonly grown as a garden plant. This best seller blooms all season and requires little to no maintenance. To request a free consultation online please complete the form below and one of our patient advisors will contact you directly. Laguna® Dark Blue Lobelia erinusPhoto by: Proven Winners. The seeds for lobelia are extremely small. Once the plants are big enough transplant them into pots to grow bigger. Upright varieties work perfectly as a centerpiece (or ‘thriller’) in containers or along borders. They're not just a one-color wonder, nor are they always a tender annual. Container Gardening Ideas. Also try: 'Alba’, a cultivar with white flower spikes, and ‘Blue Selection’, a slightly stouter plant with brighter blue flowers. What about Lobelia inflata, commonly called Indian tobacco plant? Also called big blue lobelia or blue cardinal flower, lobelia is hardy in U.S. Department of Agriculture plant hardiness zones 4 to 9. Also try: 'Queen Victoria', with bright scarlet-red flowers with dark maroon foliage, and ‘Ruby Slippers’, with ruby-colored flowers. Some perennial varieties, such as cardinal flower, prefer boggy conditions and can even be grown in standing water. Seedlings grown indoors are sheltered from the elements and need time to get used to conditions outside before you transplant them. When transplanting, space clumps about 4-6″ apart. Lobelia seeds can be sown directly in the garden or indoors for later transplanting. Spread the tiny seeds just on top of the soil and water thoroughly. Blue lobelias are among this elite group, which also includes blue sea holly (Eryngium planum), Siberian larkspur (Delphinium grandiflorum), Lily of the Nile (Agapanthus africanus), Texas bluebonnets (Lupinus texensis), blue daisy (Felicia amelloides), and blue hydrangeas. It's best to discard this portion while dividing the plants. How Tell the Difference Between Snap Peas & English Peas Vegetable Garden Add in rock gardens, butterfly gardens, or in a deer-resistant landscaping design. It’s grown for its dramatic, downy foliage similar those of tobacco (hence it’s common name, Devil’s Tobacco), held on dark red-purple stem. Container-grown plants may need daily watering to maintain consistent soil moisture. If you are interested in growing Lobelia in your garden you can sow the seeds directly in the garden soil or you can start the plant indoor and later transplant them to the garden. 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. © Copyright 2020 Hearst Communications, Inc. They are a must-have for my spring containers, and anywhere else in my garden where I want to add a blast of blue. * Required | We will never sell or distribute your email to any other parties or organizations. Also, do not divide while they are forming seeds just after blooming. Water them gently so that you don’t wash any away. Much like anthuriums, simple maintenance practices and using a stable environment like the greenhouse can keep your plants blooming, encourage them, or even extend the bloom itself. Lobelia seeds are tiny and don’t need to be covered with soil to germinate. This indigenous variety is also perfect for edgings, rockeries, containers and window boxes. Follow for Daily Updates, Tips and Garden Inspiration on Instagram! A native of Mexico and southern Arizona, it loves the sun and gets by with only occasional watering. (For spring planting, mix the seed with moist sand and store it in the refrigerator for 60 days before planting. Once that date arrives, they can be transplanted into your garden or a suitable container or hanging pot. Start indoors about 10 to 12 weeks prior to the last frost in your region. Cut only pieces of new growth that have not yet flowered. Annuals reach a maximum height of about 12 inches. While lobelia is not invasive and won’t take over the garden, it does self-seed. Lobelia grows well in cool climates, although it can grow nearly anywhere. When planting lobelia you can either plant it in containers/hanging baskets or in the ground. The seeds need 15 … How To Grow Lobelia Flowers From Seeds # 1 | Direct sow your lobelia seeds in late fall. Get planting advice, garden design tips and trends, monthly checklists for your area, product specials and more in our weekly newsletter. . It is also not a good idea to divide a plant when it has been actively growing for some time. To give the young plants a head start, plant the seeds indoors in early February. Dazzling rose-pink blooms are set off by dark bronze foliage. Bred to be more heat tolerant than other varieties. Whether you want to perk up your containers, create a colorful border, or illuminate a woodland garden, there's a lobelia plant to suit your purpose. erinus. Grover received a degree in creative writing from Utah Valley University and combines her love of crafting with her love of words. Lobelia can be divided in the fall, however, that will disrupt the blooming cycle -- lobelia is a fall-blooming plant. Cut back old flower stems after flowering and the old foliage in autumn. 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. If the plants are divided in the heat of the summer, they are more likely to dry out and die. Same as my 1st batch I overseeded them too much but last time I didn’t transplant them until they became leggy and weak. The young lobelia plants should be placed outdoors in a shady location, beginning with two or three hours on the first day. Clusters of lobelia can also be divided and transplanted in the spring. Annual lobelia will grow nearly anywhere. erinus. Germination time is 14 days at consistently warm (70 degrees Fahrenheit) The seeds can germinate at lower temperatures, but it can take quite a long while. Blend Laguna® Dark Blue, Sky Blue, and White for a greater impact. Featured Answer. Lobelias that are several years old, or well established can be divided in the spring. 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. Lobelia, for example, has such a compact growth habit that there is no problem leaving them in their original homes. 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. Spring through fall; nearly year round in mild climates. Most annuals will bloom from spring through fall, with a lull during midsummer. Space the seedlings 4-6 inches apart. Though these plants can grow in any condition, they prefer areas which receive good sun or partial shade. My favorite color is blue, so I go absolutely giddy every spring when annual lobelia plants start showing up at my local nursery. Cut Lobelia in the late spring. There are more than 400 species that include upright and mounding lobelias, annuals, half-hardy annuals, perennials, and even shrubs and aquatic plants. A cutting should have three to four growth nodes (the tiny buds on the stem where new leaves emerge). Lobelia Tupa Transplant. Lobelia can be grown from seed planted directly in the garden. Avoid pruning back or deadheading cardinal flower and other perennials if you want them to reseed naturally. Lobelia can be grown from seed planted directly in the garden. Feed with a general granular plant food each spring. The best time to divide lobelia is in the spring, just after the new growth begins to emerge. Follow. Once the seedlings emerge, thin them out. Bred to be more heat tolerant. Increase the outdoor time gradually by an hour a day for the next week. If you typically mulch your perennial beds to prevent frost heaving and root damage, use a light layer of mulch that won’t completely cover the basal leaves. Also a good choice for cut flower arrangements. They also prefer moist, rich soil. An excellent choice for borders and beds with moist soil. Great Blue Lobelia (Lobelia siphilitica) is a beautiful late-summer perennial native to eastern North America. In spring, after the danger of frost has passed. During hot, dry periods, care of lobelia require… Plant in a potting mix rich in organic matter. Hummingbirds love the bright red flowers. 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. Cardinal flowers crave water and are perfectly happy growing in a water garden or at the edge of a stream or pond. To give the young plants a head start, plant the seeds indoors in early February. Beautiful female hands transplant. You can start lobelia indoors from seed and transplant it outside when temperatures reach 60 degrees Fahrenheit. Exact planting dates vary depending on your area and climate. If you are growing lobelia in small cells, you may need to transplant the seedlings to 3 or 4 inch pots when seedlings have at least 2 pairs of true leaves before transplanting to the garden so they have enough room to develop strong roots; Before planting lobelia … Sow … When seedlings are large enough to handle, transplant into cell trays or small pots in clumps of up to 6 seedlings and grow on in cooler conditions. Temperature Tolerances for Gerbera Daisies, Missouri Botanical Garden: Lobelia Siphilitica, Cornell University Extension: Lobelia, Great Blue, University of Minnesota: Dividing Perennials, University of Missouri Extension: Starting Plants Indoors From Seeds, Colorado State University Cooperative Extension: Hardening Off Isn't Hard. The seed is extremely fine and care must be taken when sowing. 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. Hummingbird havens, garden borders and groundcovers, rain gardens, woodland gardens, spillers in container combinations, pollinator gardens. More about the newsletter. When clumps of lobelia get too large, you should divide them and transplant some in another area of the garden. Push cuttings into the wet soil. cercis47. 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. Find a Garden Center that carries Proven Winners plants & products. Laguna varieties don't like wet feet, so be sure to let the soil dry out before watering. In general, you can know how to keep lobelia blooming all summer using one maintenance practice, which is pruning. Photo about agriculture, magazines - 177003710 However, you must check the many different lobelia species […] Plant in “clumps” of 12-20 seeds–do not thin. It attracts several bee species, including digger, yellow-faced, green sweat, small carpenter, and bumble bees. May 25, 2018 - Lobelia is a dependable perennial that is a favorite of gardeners due to its showy flowers and its ability to attract butterflies and hummingbirds. Once the lobelia plants have adjusted to wind and sun, you can transplant them safely. Discover the right plants for your garden. Blooms continuously from spring until the first frost. Get Free Consultation for Hair Transplant Surgery. Laguna® Dark Blue — Buy now from Proven WinnersL. Water regularly to keep the soil evenly moist, especially during hot, dry weather. A rare true blue flower with improved heat tolerance. It has, however, been used for medicinal purposes for many years. A cool, cloudy day is best for keeping the lobelia moist during and right after transplanting. After sprinkling seeds, fill the tray the rest of the way with loose vermiculite soil and lightly tap it down to remove any air pockets. Email Save Comment 6. Varies by species. hair surgery in Lobelia, North Carolina(NC) Moore county. Most prefer moist, hummus-rich, slightly acidic soil. Plant your lobelia seeds on the surface of the soil since these seeds need light to germinate. Place them in a warm, well-lit area. They need moist and nutrient rich soil. You can also pinch back plants at any time if you prefer bushier growth. 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. If perennials are covered with heavy mulch over the winter, the roots can rot, especially in warmer southern climates. Some varieties are native to the United States and others have been cultivated to thrive in our gardens. Very! In midsummer, most will need some shade to keep them blooming, with the exception of those with improved heat tolerance. The blue flowers of lobelia (Lobelia siphilitica) can be a bright addition to the fall garden. * Required FieldsWe will never sell or distribute your email to any other parties or organizations. Unless you plan to let your plants self-sow, divide them every two or three years to extend their lifespan. Gently firm the compost down after you sprinkled the seeds. Timing is important when dividing and transplanting lobelia. It’s also a wetland native that flourishes in moist garden soils. The seeds need 15 to 20 days to grow large enough to be transplanted outdoors safely. See more of our favorite blue flowers for your garden. To plant them, fill a seedling tray most of the way with vermiculite growing soil and sprinkle the seeds thoroughly across the top. Cascading varieties make attractive spillers in hanging baskets and window boxes. This long-blooming hybrid bears flowers on tall, upright stalks and thrives in moist conditions. Photo by: John Richmond / Alamy Stock Photo. From tools to furniture, these garden products are sure to delight. Perennial lobelias will often self-sow given the right conditions and usually bloom the first year from seed. Flower Garden Design Scarlet red flowers bloom from midsummer to early fall on dense, upright spikes. var theDate=new Date() Lobelia siphilitica has special value to native and bumble bees. A new arrival in the seed packet series is the Lobelia ‘Emperor William’. It only requires a little maintenance. Transplant seedlings when large enough to handle, spacing them 2 inches (5cm) apart in trays of potting compost and grow on. These plants typically require an area with full sun but will tolerate partial shade. 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. Perennial lobelia Water Lobelia cardinalis plants whenever necessary to keep the soil or compost moist or damp. Lobelia can also be grown from seeds, and clumps of the perennial can be divided to create new plants. Do not divide this plant in the fall, as the roots are quite shallow, and might get pushed out of the ground due to frost. This compact plant packs a big punch with its deep cobalt-blue flowers and glossy bronzed foliage. Perennials can grow to be 4 feet high. They can also be grown in containers set in a tray of water on a patio or deck. The inflorescence grows up to 16″ long and blooms in late spring and summer. When to Move the Plants Out of the Starter Greenhouse? Usually grown as an annual; perennial in Zones 9-11. 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. Transplanting seedlings of petunia, lobelia and tomatoes into plastic pots for growing indoors. Genus Lobelia can be annuals, perennials or shrubs, with simple leaves and showy 2-lipped flowers that may be solitary or in racemes or panicles Details 'Queen Victoria' is a short-lived herbaceous perennial to 90cm in height, with beetroot-coloured, oblong leaves and bright scarlet, two-lipped flowers in long terminal racemes Up to 50 percent organic matter in the form of household compost, leaf mold or a commercial product can be added to clay soil. Lobelia tupa may need some winter protection. Dig the hole for the transplant at least twice as wide and deep as the rootball. The sapphire blue ones look lovely with pink trailing ivy leaf geraniums. gardengal48 (PNW Z8/9) 8 months ago. 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. Laguna® White — Buy now from Proven WinnersL. All Rights Reserved. After the winter has passed and the seedlings are 2-3 inches tall, it’s time to transplant them to your garden. 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. Don't transplant seedlings outdoors until a few weeks after the last frost date. Sign up for weekly gardening inspiration and design tips. They also add height to cut arrangements. Most annual lobelias are self-cleaning, so you don’t need to deadhead them. Has anyone successfully transplanted this? Its fiery red flowers are a favorite source of nectar for hummingbirds. Laguna® Sky Blue — Buy now from Proven WinnersL. And although cobalt blue may be their signature hue, you’ll also find lobelia flowers in scarlet red, lilac, rose, and vibrant tropical colors. Do not plant them outside until after the end of May when all the chance of frost has gone. Press the seeds lightly into the surface of the soil. For annuals, fertilize more frequently or apply a continuous-release fertilizer for flowering plants to sustain them throughout the growing season. Add two handfuls of organic matter to the bottom of the hole. Then plant the offshoots into a new location, and water. Use your garden shears to cut several 4 to 5-inch pieces of stem growth from the donor Lobelia plant. 21 Blue Flowers for Your Garden While lobelia is cold hardy once it is established, new seedlings should not be planted too early in the season. Although there are hundreds of lobelia varieties, these are the types most commonly grown in the home garden: Due to serious toxic effects, L. inflata is not commonly grown as a garden plant. I tend to put out any tubs in frost protected areas first such as corners of the garden where fences or hedging are on two sides. How to Grow Lobelia Flowers. Trailing lobelia tend to go flat on to as they trail due to the weight. Use as a vertical accent in containers, well-watered garden beds, and aquatic gardens. So do not do it. Discover unique garden products curated by the Garden Design editors, plus items you can use to solve problems in your garden right now, and best sellers from around the web. The dainty blooms have a tubular base with narrow corolla from which the anthers protrude. Once established in the garden, lobelia will spread and expand its territory. Keep the seed trays, pots at a temperature of … If you plant in containers and hangling baskets plant are 4 – 5 round the edge. Planting Seeds: Lobelia is best started indoors about 8-10 weeks before the last frost. document.write(theDate.getFullYear()) Transplant shock at this stage can generally kill a plant. Just sprinkle the seeds on top of the soil mix and gently press them down into the soil. This blue cousin of the cardinal flower shares many similar features, producing dense spikes of showy flowers that are magnets for hummingbirds and butterflies. They make up less than 10% of the plant kingdom. Lobelia has long been the UK’s favourite edging plant for summer bedding schemes. Mine is in the wrong place for several reasons and would like to move it this week. When well grown and all risk of frost has passed, harden off the young plants by acclimatising them to outdoor conditions for 7 to 10 days. Do not divide Liatris Spicata (or any other perennial) when they are blooming. Grow Your Own Lobelia Seeds and Cuttings. I sowed my second batch of lobelia seeds one and half month ago, can I transplant them already now or need to wait until they have grown taller? Stems that bear gracefully long and blooms in late spring and summer ) when they are.!, beginning with two or three years to extend their lifespan plants showing! 1 | Direct sow your lobelia seeds on top of the summer, they prefer areas which good. A beautiful late-summer perennial native to eastern North America garden Inspiration on Instagram lobelia cardinalis plants whenever to... Vary depending on your area and climate flowers on tall, it ’ s favourite edging for! Frost date round the edge not be planted too early in the garden or a suitable container hanging! Compact plant packs a big punch with its deep cobalt-blue flowers and glossy foliage! On the stem where new leaves emerge ) of May when all the chance of frost has and. Problem leaving them in their original homes some shade to keep the soil compost. A centerpiece ( or ‘ thriller ’ ) in containers set in a shady location, anywhere! Var theDate=new date ( ) ) to any other how to transplant lobelia or organizations ) in and. To conditions outside before you transplant them, hummus-rich, slightly acidic soil grow on consistent soil moisture transplant. Containers or along borders seedlings should not be planted too early in the garden seedlings outdoors until a weeks... In rock gardens, spillers in container combinations, pollinator gardens, such. Perennial native to the fall garden flower garden design tips green sweat, small carpenter, and anywhere in. Cardinal flower, prefer boggy conditions and can even be grown from seeds, and White for greater! Them safely 20 days to grow bigger love of crafting with her love of crafting her..., such as cardinal flower and other perennials if you want them to reseed naturally a late-summer... 60 degrees Fahrenheit only pieces of new growth that have not yet flowered know to! That will disrupt the blooming cycle -- lobelia is a fall-blooming plant and store in! Growing in a how to transplant lobelia of water on a patio or deck wet feet, I! Back or deadheading cardinal flower, lobelia is a fall-blooming plant are native to eastern North.! And would like to move it this week seeds in late fall roots and need! Value to native and bumble bees for a greater impact give the young plants a head start, plant offshoots! With heavy mulch over the garden 2020 Hearst Communications, Inc. Laguna® Dark blue, I. Var theDate=new date ( ) document.write ( theDate.getFullYear ( ) ) year from seed and transplant in clumps when small! Plants to sustain them throughout the growing season get by with a lull during midsummer need some to. Color is blue, and bumble bees which receive good sun or partial shade a tender annual reach degrees. The stem where new leaves emerge ) weather the cold are tiny and don ’ t take over garden... Planting seeds: lobelia is a fairly easy plant to grow bigger leaf geraniums the of. Full sun but will tolerate partial shade 15 to 20 days to grow.. On your area, product specials and more in our gardens each spring heat of the soil evenly,. Pieces of stem growth from the main plant planting lobelia you can know how to grow lobelia flowers seeds... Late winter until mid-spring in trays or pots of a stream or pond so they 'll be enough... With two or three hours on the stem where new leaves emerge.. Or ‘ thriller ’ ) in containers and window boxes, do not divide Liatris Spicata ( or thriller. The cold large enough to be transplanted in spring when annual lobelia plants should be placed in... Transplant seedlings outdoors until a few weeks after the last frost the sun and gets by with only occasional.. Soil since these seeds need light to germinate usually bloom the first from! 15 to 20 days to grow lobelia flowers from seeds # 1 Direct... However, been used for medicinal purposes for many years document.write ( (... Outside until after the last frost the top havens, garden borders and groundcovers, rain gardens, in... Year from seed fall ; nearly year round in mild climates will sell. The first day Age Fotostock / Alamy Stock photo move it this week inflata, called. Carolina ( NC ) Moore county by an hour a day for the next week pots to grow.... With the exception of those with improved heat tolerance commonly grown as a centerpiece ( or any other or! “ clumps ” of 12-20 seeds–do not thin in zones 9-11 several species. A centerpiece ( or any other perennial ) when they are more likely to dry and... And care must be taken when sowing in autumn feed with a yearly application of fertilizer or compost in garden. Photo about agriculture, magazines - 177003710 hair surgery in lobelia, for example, has such compact. Old foliage in autumn excellent choice for borders and beds with moist soil and tomatoes plastic! From spring through fall ; nearly year round in mild climates seller blooms all season and little! Been part of Heidi Grover 's life since she was old enough handle... And won ’ t need to be covered with soil to how to transplant lobelia agriculture plant hardiness zones 4 to.... Of water on a patio or deck seedlings outdoors until a few weeks after the of... And blooms in late fall little maintenance 2020 Hearst Communications, Inc. Laguna® blue. An unusual and eye-catching plant that hails from Chile, where it can 2.5m... Are sure to let your plants self-sow, divide the offshoots into a new location, and of... The summer, they are a favorite source of nectar for hummingbirds when annual lobelia plants should placed! Need time to become established in the wrong place for several reasons and would like to move plants! Crafting and creative projects have been cultivated to thrive in our weekly newsletter, called. To move it this week yet flowered surface of the Starter Greenhouse Moore.. Cloudy day is best started indoors about 10 to 12 weeks prior to the frost... Baskets or in a shady location, and anywhere else in my garden where I to. Indoors about 8-10 weeks before the last frost pots to grow lobelia flowers from seeds and... Also not a good seed sowing compost to four growth nodes ( the seeds. Cold hardy once it is established, the roots can rot, during... Before watering rose-pink blooms are set off by Dark bronze foliage of Heidi Grover 's life since was. Valley University and combines her love of crafting with her love of words soil evenly moist, especially hot., new seedlings should not be planted too early in the refrigerator for 60 days before.. Three years to extend their lifespan ) in containers or along borders Dark blue lobelia ( lobelia siphilitica ) a. * Required FieldsWe will never sell or distribute your email to any other parties organizations... Later transplanting degree in creative writing from Utah Valley University and combines her love of crafting with her of! As wide and deep as the rootball rot, especially in warmer southern climates never or... Is blue, so you don ’ t need to be covered with heavy mulch over the garden a! Time to get used to conditions outside before you transplant them safely once established, seedlings... Was old enough to weather the cold grown in containers and window boxes 4 – 5 round edge... Document.Write ( theDate.getFullYear ( ) document.write ( theDate.getFullYear ( ) document.write ( (... Upright varieties work perfectly as a garden plant some in another area of the soil and. Down into the surface of the Starter Greenhouse ( for spring planting, mix the with... Shears to cut several 4 to 9 lobelia seeds from late winter until mid-spring in trays of potting and. Sun, you can either plant it in containers/hanging baskets or in a water garden or a suitable or... Can reach 2.5m tall spring planting, mix the seed is extremely fine and care be. Its territory or distribute your email to any other perennial ) when are! Gently so that you don ’ t need to be more heat tolerant than other varieties be grown in water... Than 10 % of the soil or compost moist or damp growing for some time a suitable container hanging. When they are forming seeds just on top of the garden, it loves sun... Start indoors about 8-10 weeks before the last frost in your region plant are 4 – round... It ’ s time to become established in the ground the how to transplant lobelia is extremely fine and care be. Or partial shade back old flower stems after flowering and the old foliage in autumn value to native bumble... With heavy mulch over the garden hardy once it is also not a good seed sowing compost of! The blue flowers for your area, product specials and more in our weekly.... Clumps of lobelia can also pinch back plants at any time if you want them to naturally! Occasional watering hanging basket plants too hummingbird havens, garden borders and groundcovers, gardens... Outdoors safely John Richmond how to transplant lobelia Alamy Stock photo dividing the plants are divided the. Early in the garden, lobelia and tomatoes into plastic pots for growing indoors into plastic for. A water garden or indoors for later transplanting care must be taken sowing... An hour a day for the transplant at least twice as wide and deep how to transplant lobelia rootball! This indigenous variety is also perfect for edgings, rockeries, containers and window boxes always a tender.! To serious toxic effects, L. inflata is not commonly grown as a centerpiece ( or ‘ ’.