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The ordinary Ageratum is a perennial, herbaceous plant or a dwarf, or shrub. Ageratums offer soft, round, fluffy flowers in various shades of blue, pink or white—with blue being most common. Height: 50cm (20"). Not sure if crop is direct-seeded or … To add more height to your flower beds, choose a variety such as "Blue Horizon" and "Red Top," which reach heights of 24 to 30 inches. Compact plants with dark green ovate leaves and small rounded brush-like flowers in white. These are some rugged plants that can withstand tough soil conditions and even deer! Ageratum houstonianum has numerous sticky hairs on the bracts surrounding its flower-heads (the involucral bracts are glandular pubescent). Clusters of mauve blue flowers from spring to autumn that are good for cutting. Scientific Name: Ageratum houstonianum Common Name: Floss Flower Hardiness Degree: 40°F (4.4°C) Blooming Season: Spring, Summer, Late Summer Plant Habit: Upright Characteristics: Attracts Bees, Low Maintenance Plant in amongst other shrubs or perennials in full sun or part shade in general … The leaves form compact clusters. Aloha is early to flower and suited for growing in packs and in 10 cm (4 in.) Plant in a sheltered postion in full sun. Ageratum mexicanum Hort. More than 60 cultivars of the blue ageratum flower are available, … Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. Description; Description (Ageratum houstonianum) SPECIAL QUALITIES. Flossflower is the chief common name for Ageratum houstonianum. Not to mention, ageratum is one of the truest blue annuals you can find! Several dwarf varieties are commonly used as edging plants. Sani, Y., Bahri, S., "Pathological changes in liver due to the toxicity of Ageratum conyzoides", Penyakit Hewan (Indonesia), 1994, v. 26(48) p. 64-70. Position in border. Floss Flower is sometimes cultivated and is often a weed in nursery stock. 50 seeds 153062: £5.75: In stock [?] Prefers rich soils with good drainage and consistent moisture throughout the growing season. Description; Description (Ageratum houstonianum) SPECIAL QUALITIES. Advertisement. Ageratums are easily grown from seed. Spread: 30cm (12"). Posted on November 18, 2008 | Leave a comment. In climates where powdery mildew is a problem, avoid overhead watering and site in areas with good air circulation. F1 Hybrids 'Blue Angel' This annual grows to 250 mm (9¾ in) tall and produces lavender blue flowers. The flowers are blue, purple, lilac and cream colors. Ageratum Houstonianum Posted on November 18, 2008 | Leave a comment The flossflower species is an annual that grows to a height of over 2 ft (0.6 m), has blue flowers, and tends to become a pest as it liberally reseeds itself all over the garden. A. houstonianum is naturalised in Kenya at 1500-2780m altitude. It is an excellent type for mass production. Taller plants usually benefit from some support. Height 50cm (20"). Height: 1.2m: Width: 50cm: Categories: Blue Flowering, Romantic Plants. A classic annual for any garden, ageratum is a tough plant that can even handle a bit of shade. Beds and borders, City, Containers, Cottage/Informal, Hanging baskets. Ageratum houstonianum. Sow in a propagator on a windowsill or in a greenhouse at approximately 15-18°C (60-65°F) pressing the seed lightly onto a good quality, finely sieved, moist compost. Most often you can see the blue flowers of various hues in gardens and parks. A nonstop bloomer from mid summer to fall (Ageratum means 'long-lived' in Greek), it grows easily in shapely mounds ranging from 6-24 in. Mar 24, 2016 - Explore Shoot Limited's board "Ageratum", followed by 5755 people on Pinterest. Annual. Some taller varieties (e.g., the triploid Blue Horizon) are more erect and grow to as much as 30 tall. Not to mention, ageratum is one of the truest blue annuals you can find! This article was most recently revised and updated by Melissa Petruzzello, Assistant Editor. Habit: Dwarf, Ground Cover. Specifically in the highlands: Mau, Aberdares, parts of Laikipia and Nyeri. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. Taller varieties are appropriate for mid-borders or cutting gardens. The Ageratum houstonianum or Floss Flower as it is more commonly known, belongs to the Asteraceae family - the same very special family to which the Daisies, Asters, Gerberas, Chrysanthemums and so many others all belong. Botanical Name: Ageratum houstonianum (hybrid) Family: Asteraceae. Ageratum houstonianum flower is a lively and herbaceous plant that has opposite leaves (in the lower and middle part of the stem) with a lanceolate or elliptical shape and usually does not measure more than 40 cm in height. A classic annual for any garden, ageratum is a tough plant that can even handle a bit of shade. Height: 30cm (12"). Ageratum houstonianum forma luteum Ageratum houstonianum Miller, forma luteum B. L. Robinson, Contr. Ageratum plants grow from seed or from small seedlings sometimes found in garden centers. Beds and borders, City, Containers, Cottage/Informal, Hanging baskets. 'Blue Blazer' This annual grows to 200 mm (7¾ in) and produces mid-blue flowers. They grow to a height of 30 in. More. They form tussocks or small hills. Height: 25cm(10in) Width: Depth: Plant Class: Half Hardy Annual (HHA). Shorter varieties are excellent as bedding plants, edgers (along paths, walkways and border fronts) and container plants (hanging baskets, window boxes, urns or other containers). Plant it with Bupleurum for a particularly eye catching combination. Spread: 30cm (12"). Middle . With a vigorous, open habit, it’s perfect for adding texture and colour to bedding, borders and containers, and is extremely attractive to pollinators. With a vigorous, open habit, Ageratum houstonianum 'Blue Mink' is perfect for adding texture and colour to bedding, borders and containers. With a dense, compact habit, Ageratum houstonianum 'Blue Danube' is perfect for adding texture and colour to bedding, borders and containers. No serious insect or disease problems. ageratum houstonianum - Buy this stock photo and explore similar images at Adobe Stock The flower heads are borne in dense corymbs. Space taller varieties 12” apart and shorter varieties 6” apart. Ageratums are grown for their flowers, especially A. houstonianum. Scientific Name : Ageratum houstonianum. Asteraceae (Queensland, New South Wales, the ACT, Victoria, Tasmania, Western Australia and the Northern Territory) Compositae (South Australia) The Ageratum houstonianum is a seasonal plant that usually reproduces during the spring until the end of the summer. Ageratum (a-GE-ra-tum) houstonianum (hew-stõn-ee-AH-num) Cultivars 'Imperial Tall Blue' This annual grows to 600 mm (2 ft) tall and is widely used as a cut flower. Leaves are typically rounded, cordate-at-the-base, hairy, slightly quilted and soft green. There is also a medium height snowcapped variety, white top on blue flowers. The fluffy flowers are lavender-blue, pink, lilac, or white; and spread in small compound umbels. A great value plant that is free flowering and easy to grow. Bloom Time: Late spring to frost. Ageratum houstonianum, commonly known as flossflower, bluemink, blueweed, pussy foot or Mexican paintbrush, is a cool-season annual plant often grown as bedding in gardens. (Maguire, Steyerm. Common Name : Floss Flower. Ageratum (/ ə ˈ dʒ ɛr ə t ə m /) (whiteweed in the USA) is a genus of 40 to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. POSITION & USES . If a transplanted crop: average number of days from transplant date. Ageratum houstonianum Mill. Prompt deadheading of the faded flowers is not necessary, but keeps a planting tidy and tends to promote a better uninterrupted bloom. Average number of days from seeding date to harvest, within a specific crop group. Fu, P.P., Yang, Y.C., Xia, Q., Chou, M.C., Cui, Y.Y., Lin G., "Pyrrolizidine alkaloids-tumorigenic components in Chinese herbal medicines and dietary supplements", Global Compendium of Weeds, Ageratum conyzoides (Asteraceae), Global Compendium of Weeds, Ageratum houstonianum (Asteraceae), https://en.wikipedia.org/w/index.php?title=Ageratum&oldid=989348143, Articles with dead external links from October 2016, Articles with permanently dead external links, Articles containing potentially dated statements from July 2020, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License, This page was last edited on 18 November 2020, at 13:47. The plant grows to 0.3–1 m high, with ovate to triangular leaves 2–7 … They grow well in sun or partial shade, from early summer to first frost. A great value plant that is free flowering and easy to grow. Flossflower (Ageratum houstonianum) The Flossflower is an annual Ageratum species, that can range in height from 12 to 39 inches (30 to 100cm). Grow Ageratum houstonianum ‘Blue Mink’ in moist but well-drained soil in full sun. Most species are native to Central America and Mexico but four are native to the United States.. Most common ageratums, "Hawaii" for example, are a short 6-8 inches when full grown. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. Noa, M., Sanchez, L.M., Durand, R., "Ageratum houstonianum toxicosis in Zebu cattle", Veterinary and human toxicology, 2004, vol.46, no4, pp.193-195. Easy to grow, blue ageratum grows in compact mounds that generally reach a height of 1-2 feet. Their size and color makes ageratums good candidates for rock gardens, bedding, and containers. There is also a medium height snowcapped variety, white top on blue flowers. There is also a medium height snowcapped variety, white top on blue flowers. Easily grown in average, moist, well-drained soils in full sun. The flowering period is from May to November in the northern hemisphere. Will do well if grown in a pot or container. Noteworthy Characteristics. Botanical name: Ageratum houstonianum Use: Balcony, Cut flower, Good for insects and bees Flower colour: blue, pink, violet, white Height in cm: 40-60 Vegetation period: annual Cultivation Planting distance (cm) : 20 x 20 Seed required for 1000 plants (g) : 0.2 Sowing depth : germinates in light 'Bengali', light pink.Height 6-8in (15-20cm). Will grow in Full Sun Good for Cutting Half-hardy Annual Loved by Pollinators RHS Award of Garden Merit Be the first to review this product! Ageratum, (genus Ageratum), any of about 40 species of herbs in the genus Ageratum (family Asteraceae). Each of the tiny flowers ( florets ) which make up the flower-heads have two short and narrow projections ( style branches) that are about 1-2 mm long. They are best used as bedding, edging, or container plants. Heat tolerant and attractive to butterflies, Ageratum are perfect for bringing long lasting color and definition to summer containers and garden beds. [8][9], As of July 2020[update], Plants of the World online has 40 accepted species:[10], The genus Paneroa consists of one species, Paneroa stachyofolia, native to Oaxaca, which was first described in Ageratum but which seems to be more closely related to Conoclinium and Fleischmannia.[11]. A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 18-30 in. Can be grown in containers. With good cultivation care you can enjoy this plant with great benefits and an invaluable aesthetic value. Suggested uses. The compact, uniform plants bear large, fluffy, powder-blue flowers. Early/Late Flowering: . Instead, the public now uses the genus name so frequently that it doubles, in essence, as a second common name. They are about 18 inches in height with blue flowers. Height: 1.2m: Width: 50cm: Categories: Blue Flowering, Romantic Plants. To add more height to your flower beds, choose a variety such as "Blue Horizon" and "Red Top," which reach heights of 24 to 30 inches. Good for beds, borders, pathways and rockeries. The flossflower species is an annual that grows to a height of over 2 ft (0.6 m), has blue flowers, and tends to become a pest as it liberally reseeds itself all over the garden. Ageratum conyzoides is an erect, branching, soft, slightly aromatic, annual herb with shallow, fibrous roots. ... blue ageratum grows in compact mounds that generally reach a height of 1-2 feet. If a transplanted crop: average number of days from transplant date. Uses. There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. Several species of Ageratum are toxic, containing pyrrolizidine alkaloids. Spread: 25cm (10"). The narrow lanceolate bracts are pointed, denticulate only at the top and glandular hairy. It grows to approximately 1 m in height. The blues are most popular and common, but colors also include violet, pink and white. Powdery mildew is an occasional problem, particularly in hot and humid climates where soils are kept on the dry side and air circulation is poor. Ageratum houstonianum Days To Maturity About Quick Fact Days To Maturity. Species flowers are medium blue, however many cultivars are available in commerce in various shades of blue, pink, red, white and bicolor. The flowers are purple, blue, pinkish or white, less than 6 mm across, with around 30 to 50 flowers and arranged in close terminal flower-heads. Hardiness: Annual. South facing, west facing . Scientific Name : Ageratum houstonianum Common Name : Floss Flower Blooming Season : Spring, Summer, Late Summer Plant Habit : Upright Spacing : 12 - 18" (30 - 46cm) Height : 14 - 16" (36 - 41cm) Width : 12" (30cm) Exposure : Sun Grower Information : Seed supplied as: Pelleted. Ageratum houstonianum. Seed may be started indoors in late winter and transplanted outdoors after threat of frost has passed. First autumn frost will kill most if not all plants, at which point they may be removed from the garden. Ageratum houstonianum ‘Blue Mink’ bears fluffy, powder-blue flowers. Plants tend to wilt quickly if soils are allowed to dry out. Root rot may occur in poorly drained soils. 30cm spread . The opposite leaves are cordate or oval, hairy or tomentose. Spacing : 12 - 18" (30 - 46cm) Height : 14 - 16" (36 - 41cm) Width : 12" (30cm) Exposure : Sun. It is native to Mexico and Central America. The flowers are blue, purple, lilac and cream colors. Cultivation. Ageratum houstonianum and Ageratum conyzoides cause liver lesions and are tumorigenic. Features fluffy flowers (basically asters with ray flowers absent) in flattened to slightly rounded clusters atop compact, mounded plants generally ranging from 4 to 18 tall. Tall ageratum are also available in seed catalogues. Producing large clusters of brilliant blooms, this makes an excellent cut flower as well as looking beautiful in drifts in garden borders. Planting Zones . Will do well if grown in a pot or container. It is a Native plant of Mexico. 1923. There are two types of shrubs: Straight ; Sprawling ; There are also dwarf species which have adapted to exist indoors. Most often you can see the blue flowers of various hues in gardens and parks. Learn More in these related Britannica articles: Asteraceae. See more ideas about Plants, Planting flowers, Prune. Ageratum houstonianum (Blue Danube) Uses:Landscape/bedding plants, mixed containers, large containers and hanging baskets; Exposure:Sun - Partial shade; Garden height:7″ / 18 cm; Crop time:12-16 weeks; Sow time:Mid December-March; Sowing method:3-5 seeds/pellets per plug; Germination*:2-4 days at 75-77 °F (24-25 °C). They give small, dry fruits. One of the tallest, Ageratum houstonianum 'Blue Horizon' (Floss Flower) features fluffy round clusters of lavender to purplish-blue flowers resembling asters. Annual growing to 30cm. Find help & information on Ageratum houstonianum 'High Tide Blue' from the RHS Plant Dimensions: 24"–30" tall, 8"–12" wide. They form tussocks or small hills. The rounded leaves do not add any aesthetic value to the plant. Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost.Features fluffy flowers (basically asters with ray flowers absent) in flattened to slightly rounded clusters atop compact, mounded plants generally ranging from 4” to 18” tall. Characterized by their powder-puff flowers, these plants begin to bloom in late spring and keep the show going until the first frost. The common garden ageratum (A. houstonianum), also known as floss flower and blue mink, is frequently cultivated as an ornamental annual. Zones: Usually grown as an annual; perennial in Zones 10-11. Ageratum houstonianum, a native of Mexico, is among the most commonly planted ageratum varieties. Spent flowers will fall to the ground as they fade to be replaced by new bloom throughout the growing season. Taller varieties make good cut flowers.Genus name presumably comes from the Greek a meaning not and geras meaning old age because the flowers hold their color for a long time. Some taller varieties (e.g., the triploid ‘Blue Horizon’) are more erect and grow to as much as 30” tall. Native: Southern Mexico, Belize, and Honduras. Acamovic, T., Stewart, C.S., Pennycott, T.W.,"Poisonous Plants and Related Toxins", 2004. Ageratum houstonianum 'Timeless' (Flossflower 'Timeless') will reach a height of 0.5m and a spread of 0.2m after 1 year. Ageratum (/əˈdʒɛrətəm/)[2] (whiteweed in the USA) is a genus of 40[3] to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. Genus Ageratum can be annuals, perennials or shrubs, usually bushy in habit, with simple ovate leaves and small fluffy blue, pink or white flower-heads in summer and autumn Details 'High Tide Blue' has a dense, upright habit and produces large, fluffy pale purple to … Grow Ageratum houstonianum ‘Blue Mink’ in moist but well-drained soil in full sun. FLOWERS. Ageratums are grown for their flowers, especially A. houstonianum. Ageratum houstonianum a-jer-AY-tum hoos-tone-ee-AY-num Audio There are many cultivars available of this fast-growing annual. Bloom Period: Summer to frost . Ageratum (a-GE-ra-tum) houstonianum (hew-stõn-ee-AH-num) Cultivars 'Imperial Tall Blue' This annual grows to 600 mm (2 ft) tall and is widely used as a cut flower. Description: Ariella Blue is a quick growing, compact mounding plant that grows to a height and width of 30cm x 30cm. Ageratum Species: houstonianum Family: Asteraceae Life Cycle: Annual Country Or Region Of Origin: Central America Wildlife Value: Plant is seldom damaged by deer or rabbits and attracts butterflies. How to grow Ageratum 'Blue Mink' Plant size. Try growing ageratum in wildlife gardens where they will attract butterflies to their blooms. & Wurdack) R.M.King & H.Rob. Ageratums are grown for their flowers, especially A. houstonianum. Dainty, flossy blooms form mounds of soft color and texture perfect for combining with trailing and spiky, upright annuals. Indigenous to the American tropics, these plants will not survive long beyond summer north of planting zone 10. Tall ageratum are also available in seed catalogues. Zones: Annual in Zones 2-11, may overwinter in Zones 10-11. [4][5][6][7], Ageratum conyzoides and Ageratum houstonianum are prone to becoming rampant environmental weeds when grown outside of their natural range. Flossflower (Ageratum houstonianum) The Flossflower is an annual Ageratum species, that can range in height from 12 to 39 inches (30 to 100cm). They are best used as bedding, edging, or container plants. Plug crop time: 4 weeks Transplant to finish: 7 to 9 weeks. A nonstop bloomer from mid summer to fall (Ageratum means 'long-lived' in Greek), it grows easily in shapely mounds ranging from 6-24 in. Ageratum houstonianum 'Artist Purple' Ageratum is a popular filler choice. Dense, mounded hedge of colour is taller and … Variety Information: ½" bluish-purple pom-pom-like flowers with feathery petals borne in clusters. Not sure if crop is direct-seeded or transplanted? Characterized by their powder-puff flowers, these plants begin to bloom in late spring and keep the show going until the first frost. Whether in a potted combination or in your landscape, Artist Purple is complementary to many flowers and has a very low pest risk. Ageratum Houstonianum is a low-growing plant which can reaches up to 0.5 m in height and has multi-colored flowering. Common Name: Blue Mink: Habitat: ** Associated Ecological Communities: ** Growth Habit: Herb: Duration: Perennial: Category: Vascular: USDA Symbol: ** Plant Notes: Floss Flower is an introduced annual in the Aster family (Asteraceae). Can be used as a cut flower. There are many cultivars available of this fast-growing annual. They are quite easy to grow, producing a profusion of fluffy flowers all season long. F1 Hybrids 'Blue Angel' This annual grows to 250 mm (9¾ in) tall and produces lavender blue flowers. Plant in a sheltered postion in full sun. A. houstonianum is the most popular variety, in shades of white, blue and mauve. They are about 18 inches in height with blue flowers. Ageratum houstonianum originated in Central America and the West Indies. Plant Habit : Upright. Key Features: The Dressed to Impress™ range provides you with a living bunch of flowers. The strong vigor in the garden makes Aloha an excellent garden performer. A very vigorous plant with strong, sturdy stems, many branches and larger flowers than the traditional ageratum. They grow to a height of 30 in. They have toothed ovate leaves arranged oppositely along the stem. Garden Ready Plants - Our garden ready plants are selected for garden performance, straight from the nursery. Grower Information : Seed supplied as: Pelleted. Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. Average number of days from seeding date to harvest, within a specific crop group. Native to the Americas, but primarily Mexico and tropical South America, Ageratum species can be annuals or perennials. The ray flowers are threadlike and fluff-haired, leading to the common name. Height/Spread: Compact habit, 6-8 inches tall and wide. Clusters of mauve blue flowers from spring to autumn that are good for cutting. These are some rugged plants that can withstand tough soil conditions and even deer! in height. Exposure: Full sun to partial shade. Fast growing. Also effective in rock gardens. Similar Ageratum houstonianum Ariella Blue. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. Ageratum houstonianum 'Blue Mist' (Flossflower 'Blue Mist') will reach a height of 0.25m and a spread of 0.2m after 1 year. Ageratum houstonianum 'Blue Horizon' F1. Tall ageratum are also available in seed catalogues. Ageratum houstonianum. Most common ageratums, "Hawaii" for example, are a short 6-8 inches when full grown. The leaves of the plant are oval at the stem and triangulate out, reaching a length of 1 to 3 inches (2.5 to 7.5 cm). Ageratums are grown for their flowers, especially A. houstonianum. Watch for aphids and whiteflies. pots. Ageratum Houstonianum. This hardy little plant needs a space of 10-12 unches to properly grow, and should be kept at a height of 8-12 inches. For gardeners who do not wish to use seed, live plants are available from many nurseries in cell packs/six packs and flats. Growing Information. Ageratum houstonianum, a native of Mexico, is among the most commonly planted ageratum varieties.

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