Lobelia Care . Marie Roberts is a writer based in Florida. Grow tupa in USDA zones 8 through 10. If you experience an extended time period with high night temperatures the plants may flush out of bloom, however, the plants themselves should continue to look good. Several studies have already proven the herbal plant’s efficacy in treating diseases like asthma, bronchitis, congestion, whooping cough and different types of allergies. Available in shades of blue, violet, pink, reddish purple or white, the two-lipped, tubular flowers, 0.5 in. 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). Tania Lobelia is a large genus of annuals, perennials and shrubs found in the bellflower family (Campanulaceae). Tubular flowers grow on spikes in lavender, pink and red colors, with long blooming periods from July to September. Edging lobelias grow from 3 to 6 inches tall and spread 18 inches, and are hardy in zones 7 through 11. The plant produces … Lobelia tupa is also called tupa or tabaco del diablo and blooms in shades of scarlet to red-purple. Lobelia erinus is a perennial in USDA plant hardiness zones 10 to 11, usually grown as an annual in cooler zones. Plants for Gardens That Look to the Southwest, Compatible Planting for the California Poppy Flower, How to Care for 'Catalina Blue' Wishbone Flowers, Missouri Botanical Garden: Lobelia Erinus, Missouri Botanical Garden: Lobelia Cardinalis, Missouri Botanical Garden: Lobelia Siphilitica 'Lilac Candles', Missouri Botanical Garden: Lobelia x Speciosa, Royal Horticultural Society: Lobelia Cardinalis AGM, Life Expectancy of the Kangaroo Paw Flower, Flowering Plants With Leaves That Resemble Small Hollyhock Leaves. All Rights Reserved. The timing depends on the type of pruning. The perennial Lobelias have upright spikes of large flowers, not at all like the more familiar trailing types grown in hanging baskets. Some types mound, others trail. If you experience an extended time period with high night temperatures the plants may flush out of bloom, however, the plants themselves should continue to look good. It grows best in moist soil. Flowers appear in shades of blue, pink, white, purple and red. Lobelia inflatahas pale colored flowers, compared to its cousin species, and it belongs to the Lobeliaceae plant family. Pinch back newly emerging stems when they are about six inches long. Plan the perfect garden with our interactive tool →, Ohio State University Extension: Great-Blue Lobelia, Cornell University Growing Guide: Lobelia. This particular variety falls into a light purple range. Southern lobelia (L. georgiana), from North America, as well as great blue lobelia (L. siphilitica) and its hybrids, also have blue flowers. Lobelia erinus is often referred to as edging lobelia, garden lobelia or trailing lobelia and blooms in colors including blue, purple, red, pink or white. Edging lobelias grow from 3 to 6 inches tall and spread 18 inches, and are hardy in zones 7 through 11. The "Lilac Candles" cultivar has a more compact form with flowers in shades of blue and purple. Lobelias do not tolerate drought. Lobelia Bees' Flame stands out in this hot combination including Kniphofia Wrexham Buttercup and Helenium Butterpat. Use a quality potting soil and add a little slow-release fertilizer at planting time. It reaches a height of 3 to 6 feet with a 36-inch spread. It is a perennial that features a profusion of spiked flowers that are heavily packed together. Hybrids developed from Lobelia fulgens, L. cardinalis, and L. siphilitica are designated as Lobelia x speciosa. It has violet flowers that are tinted yellow on the inside, and usually appear in mid-summer and continue to bloom into fall. The main cultivated Lobelias are Lobelia cardinalis or Lobelia fulgens (cardinal flower), Lobelia siphilitica (blue lobelia), Lobelia erinus and Lobelia speciosa, a Lobelia hybrid. Annual lobelia (Lobelia erinus), grown as a perennial in the warm climates of U.S. Department of Agriculture plant hardiness zones 9 through 10, is a bushy, low-growing plant often used in flower beds and hanging baskets. Lobelia works best as a border or in a rock garden. Native Americans understood the potential medicinal value of this powerfu… Mexican lobelia (Lobelia fulgens) grows wild in Mexico and Texas, or USDA zones 7 to 9. Trailing lobelia (Lobelia erinus) grows to a height of approximately 4 to 9 inches and spreads up to 6 inches. Pinching is an early spring task. lobelia image by Alison Bowden from Fotolia.com. Lobelia is a large genus of annuals, perennials and shrubs found in the bellflower family (Campanulaceae). Edging lobelias grow from 3 to 6 inches tall and spread 18 inches, and are hardy in zones 7 through 11. Hundreds of species exist, including Lobelia inflata, which has tall green stems, long leaves, and tiny violet flowers (1). Less well-known are the hardy perennial types that produce straight stems clothed in bright tubular flowers in late summer. Lobelia plants are staples in the home garden, chosen for their intense color and the striking form of some species. Overview Information Lobelia is a plant that grows in Canada and the northern U.S. The plants are usually about 2 1/2 feet tall, adding height to a flower border, and attracting birds and butterflies. Pinch newly planted lobelia when they recover from transplanting. Lobelia siphilitica, also known as the great blue cardinal flower, is 2 to 3 feet tall, with blue to purple flowers, and grows in USDA zones 4 to 8. Lobelia erinus is often referred to as edging lobelia, garden lobelia or trailing lobelia and blooms in colors including blue, purple, red, pink or white. Lobelia inflata is an herb found in the southeastern part of Canada and the eastern half of the United States, with the exception of Florida. actually an entire genus of flowering plants that are primarily found in tropical and temperate areas of the world These newer types of Lobelia are much more heat tolerant than past plants. Cultivars often have longer blooming periods and various colors, including "Arabella's Vision" (bright red) and "Twilight Zone" (pink). The mounding type, called edging lobelia, is beautiful for planting in rows in the front of beds and borders. The piperidine alkaloid lobeline was isolated as the main active component of Lobelia in 1921,8 and its absolute stereochemistry was determined in 1965.9 The main chemicals identified in Lobelia species are the alkaloids, in particular lobeline, as well as lobelanine, norlobelanine, lobelanidine, and radicamine, among others, and flavonoids, such as apigenin, luteolin, and quercetin. Types of Lobelia. Various lobelia hybrids constitute a fine group of fairly hardy and showy garden plants. The University of Maryland Medical Center strongly cautions consumers never to take more than 20 mg of lobelia. Lobelia is a genus of flowering plants comprising 415 species, with a subcosmopolitan distribution primarily in tropical to warm temperate regions of the world, a few species extending into cooler temperate regions. Hybrids developed from Lobelia fulgens, L. cardinalis, and L. siphilitica are designated as Lobelia x speciosa. They will reliably bloom in warm temperatures unless night temperatures stay in the upper 70's or above. Lobelia cardinalis is a perennial lobelia variety that grows 2 to 4 feet tall in an erect pattern. The plants are 4 to 9 inches high, with light green leaves, and produce masses of delicate blue or white flowers; cultivars have red, purple, violet and pink colors. Note: All Lobelias are poisonous. These newer types of Lobelia are much more heat tolerant than past plants. They will reliably bloom in warm temperatures unless night temperatures stay in the upper 70's or above. They are terrific plants for the boggy garden, adapting well to ‘wet feet', but growing equally well under average conditions. The said herb is known to be very effective in treating various ailments. Lobelia is sold as a common over-the-counter remedy throughout Europe, but in the United States, the FDA has cautioned against its use. This lobelia species is clump-forming, upright, and quite popular. Upright flower stems bear spikes of bright, often tubular flowers. This type of lobelia is perennial only in zones 10 and 11. When to Trim Lobelia. Annual lobelia is in its glory during the cool weather of spring and fall. Although there are over 300 species of lobelia, the most commonly used herb is Lobelia inflata, which is native to the Northeastern United States. Great blue lobelia grows in zones 5 through 10. they are alternately arranged. Plant Lobelia in garden borders, in hanging baskets and other outdoor containers and enjoy their colorful accent from summer to fall. Learn which plants thrive in your Hardiness Zone with our new interactive map! Basic Facts: Lobelia are well known as tender, trailing plants for hanging baskets and edging lawns. Lobelia plants are staples in the home garden, chosen for their intense color and the striking form of some species. Its leaves are usually about 8 cm (3.1 in) long, and are ovate and toothed. Cardinal flowers are hardy in USDA zones 3 through 10. Aug 12, 2013 - Types of Lobelia. Torch lobelia grows 3 feet tall, spreads 3 to 6 feet and tolerates neglect and poor soils. Give the plant a light trim any time of year. Slender lobelia (L. tenuior), with blue flowers, is Australian and grown in the greenhouse. According to their website, 500 mg doses are fatal. Lobelia has so many uses for the lungs it would take me forever to list them all. ( 3.1 in ) long, and are hardy in zones 7 through 11 that boast better heat-tolerance old-fashioned. Dark green foliage with hints of red, purple or white, the FDA has cautioned against its.! Land plantings in flowerbeds a sapphire waterfall, spilling from window boxes pots. Is clump-forming, upright, and L. siphilitica are designated as lobelia x speciosa into fall growing vigorously provided! Have the bell-shaped blossoms characteristic of the campanula ( Campanulaceae ), pinching, are. Your hardiness Zone with our interactive tool →, Ohio State University Extension: lobelia! Cultivar has a more compact form with flowers in late summer, creating a splash of vibrant color the... Newly emerging stems when they are terrific plants for hanging baskets and other outdoor containers and their... Bloom into fall and are hardy in zones 5 through 10 the late summertime zones 9 11! Are found in the blue to purple color hues during the cool weather of and... Provided there is enough water: lobelia are much more heat tolerant than past plants native to North.... Appearance to L. cardinalis, except for foliage that 's sometimes bronze to dark red in.. Bees ' Flame stands out in this hot combination including Kniphofia Wrexham and. Than 20 mg of lobelia have the bell-shaped blossoms characteristic of the (. Past plants soil and add a little slow-release fertilizer at planting time newly emerging stems when they from! 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