30cm height . tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. Seeds are tiny and difficult to work with, particularly for direct outdoor plantings. Not sure if crop is direct-seeded or … Enjoy long lasting blooms with the added value of a plant for your garden afterwards. There is also a medium height snowcapped variety, white top on blue flowers. Plants tend to wilt quickly if soils are allowed to dry out. The flowers are blue, purple, lilac and cream colors. Not to mention, ageratum is one of the truest blue annuals you can find! A. houstonianum is naturalised in Kenya at 1500-2780m altitude. Taller varieties are appropriate for mid-borders or cutting gardens. There are many cultivars available of this fast-growing annual. Prefers rich soils with good drainage and consistent moisture throughout the growing season. 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 POSITION & USES . Advertisement. Ageratum Houstonianum is a low-growing plant which can reaches up to 0.5 m in height and has multi-colored flowering. Producing large clusters of brilliant blooms, this makes an excellent cut flower as well as looking beautiful in drifts in garden borders. Floss Flower is sometimes cultivated and is often a weed in nursery stock. FLOWERS. Grower Information : Seed supplied as: Pelleted. In climates where powdery mildew is a problem, avoid overhead watering and site in areas with good air circulation. With good cultivation care you can enjoy this plant with great benefits and an invaluable aesthetic value. Ageratums offer soft, round, fluffy flowers in various shades of blue, pink or white—with blue being most common. Seed may be started indoors in late winter and transplanted outdoors after threat of frost has passed. They are about 18 inches in height with blue flowers. Spread: 30cm (12"). 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. Clusters of mauve blue flowers from spring to autumn that are good for cutting. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. More than 60 cultivars of the blue ageratum flower are available, … 'Blue Blazer' This annual grows to 200 mm (7¾ in) and produces mid-blue flowers. in height. When they are in their greatest splendor, they are the favorite to decorate the gardens thanks to their colorful blue color that adorns the exterior until after their season when they are discarded. They form tussocks or small hills. Some taller varieties (e.g., the triploid ‘Blue Horizon’) are more erect and grow to as much as 30” tall. Height: 30cm (12"). The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Plant Dimensions: 24"–30" tall, 8"–12" wide. F1 Ageratum houstonianum. Ageratum houstonianum 'Timeless Mixed' is ideal for filling gaps in borders, adding height and texture to informal planting schemes. Spacing : 12 - 18" (30 - 46cm) Height : 14 - 16" (36 - 41cm) Width : 12" (30cm) Exposure : Sun. Height 50cm (20"). Average number of days from seeding date to harvest, within a specific crop group. The leaves form compact clusters. The Ageratum houstonianum is a plant native to North and Central America and has a very long life span, making it ideal for ornamentation. Some taller varieties (e.g., the triploid Blue Horizon) are more erect and grow to as much as 30 tall. Ageratum houstonianum 'Timeless' (Flossflower 'Timeless') will reach a height of 0.5m and a spread of 0.2m after 1 year. Clusters of mauve blue flowers from spring to autumn that are good for cutting. 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. A lovely addition to cottage gardens and wildlife borders. Ageratum houstonianum (flossflower, bluemink, blueweed, pussy foot, Mexican paintbrush) syn. 'Bengali', light pink.Height 6-8in (15-20cm). 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. Asteraceae (Queensland, New South Wales, the ACT, Victoria, Tasmania, Western Australia and the Northern Territory) Compositae (South Australia) Suggested uses. They grow well in sun or partial shade, from early summer to first frost. Habit: Dwarf, Ground Cover. 'Blue Blazer' This annual grows to 200 mm (7¾ in) and produces mid-blue flowers. 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). With a vigorous, open habit, Ageratum houstonianum 'Blue Mink' is perfect for adding texture and colour to bedding, borders and containers. Tolerates light shade, and prefers some light afternoon shade in hot summer climates. ... (30 cm.) Ageratums are easily grown from seed. Spread: 25cm (10"). No serious insect or disease problems. Position in border. [4][5][6][7], Ageratum conyzoides and Ageratum houstonianum are prone to becoming rampant environmental weeds when grown outside of their natural range. 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. 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 Height: 1.2m: Width: 50cm: Categories: Blue Flowering, Romantic Plants. 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. Grow Ageratum houstonianum ‘Blue Mink’ in moist but well-drained soil in full sun. Several species of Ageratum are toxic, containing pyrrolizidine alkaloids. Growing Information. But the common name is seldom used in most circles. 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. Easily grown in average, moist, well-drained soils in full sun. Species flowers are medium blue, however many cultivar… The strong vigor in the garden makes Aloha an excellent garden performer. Growing On:Grow on at temperatures of 60-68 °F (15-20 °C). Their size and color makes ageratums good candidates for rock gardens, bedding, and containers. Taller plants usually benefit from some support. There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. Find help & information on Ageratum houstonianum 'High Tide Blue' from the RHS They have toothed ovate leaves arranged oppositely along the stem. The fluffy flowers are lavender-blue, pink, lilac, or white; and spread in small compound umbels. Prompt deadheading of the faded flowers is not necessary, but keeps a planting tidy and tends to promote a better uninterrupted bloom. Easy … pots. A great value plant that is free flowering and easy to grow. Noteworthy Characteristics. Flossflower (Ageratum houstonianum) The Flossflower is an annual Ageratum species, that can range in height from 12 to 39 inches (30 to 100cm). Space taller varieties 12” apart and shorter varieties 6” apart. Ageratum houstonianum, a native of Mexico, is among the most commonly planted ageratum varieties. Ageratum houstonianum Ariella Blue. The ordinary Ageratum is a perennial, herbaceous plant or a dwarf, or shrub. 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. Ageratums offer soft, round, fluffy flowers in various shades of blue, pink or white—with blue being most common. 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). Watch for aphids and whiteflies. Blooming Season : Spring, Summer, Late Summer. Plants may not bloom to frost in some hot summer climates, but usually do so in cooler ones. Ageratum houstonianum 'Blue Horizon' F1. Aspect. A classic annual for any garden, ageratum is a tough plant that can even handle a bit of shade. Suggested uses. F1 Hybrids 'Blue Angel' This annual grows to 250 mm (9¾ in) tall and produces lavender blue flowers. Zones: Usually grown as an annual; perennial in Zones 10-11. 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. Height/Spread: 4 to 36 inches tall, 6 to 18 inches wide. 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. First autumn frost will kill most if not all plants, at which point they may be removed from the garden. The plant grows to 0.3–1 m high, with ovate to triangular leaves 2–7 … Plant Habit : Upright. Cultivation. Ageratums are grown for their flowers, especially A. houstonianum. For gardeners who do not wish to use seed, live plants are available from many nurseries in cell packs/six packs and flats. Ageratum houstonianum. A great value plant that is free flowering and easy to grow. There are two types of shrubs: 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). There is also a medium height snowcapped variety, white top on blue flowers. Ageratum houstonianum forma niveum The compact, uniform plants bear large, fluffy, powder-blue flowers. They are quite easy to grow, producing a profusion of fluffy flowers all season long. Most often you can see the blue flowers of various hues in gardens and parks. 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. If a transplanted crop: average number of days from transplant date. The opposite leaves are cordate or oval, hairy or tomentose. A very vigorous plant with strong, sturdy stems, many branches and larger flowers than the traditional ageratum. Mar 24, 2016 - Explore Shoot Limited's board "Ageratum", followed by 5755 people on Pinterest. Exposure: Full sun to partial shade. Dainty, flossy blooms form mounds of soft color and texture perfect for combining with trailing and spiky, upright annuals. Most common ageratums, "Hawaii" for example, are a short 6-8 inches when full grown. 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. Will do well if grown in a pot or container. Ageratum houstonianum Mill. Ageratum houstonianum Days To Maturity About Quick Fact Days To Maturity. Ageratum protects itself against insect attack by producing a chemical which can cause sterility in the insect pests. Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. They give small, dry fruits. Dense, mounded hedge of colour is taller and … Ageratum houstonianum and Ageratum conyzoides cause liver lesions and are tumorigenic. 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. It is native to Mexico and Central America. How to grow Ageratum 'Blue Mink' Plant size. Not sure if crop is direct-seeded or transplanted? Heat tolerant and attractive to butterflies, Ageratum are perfect for bringing long lasting color and definition to summer containers and garden beds. More. Plug crop time: 4 weeks Transplant to finish: 7 to 9 weeks. Ageratum houstonianum is invasive in parts Tanzania (Henderson 2002). Botanical Name: Ageratum houstonianum (hybrid) Family: Asteraceae Native: Southern Mexico, Belize, and Honduras Hardiness: Annual Plant Dimensions: 24"–30" tall, 8"–12" wide Variety Information: ½" bluish-purple pom-pom-like flowers with feathery petals borne in clusters. is a cool-season annual plant often grown as bedding in gardens. Exposure: Full sun to part shade. Flossflower is the chief common name for Ageratum houstonianum. The fruits are small brown one-seeded achenesfruits. Check the Growing Information box for details. Ageratum, (genus Ageratum), any of about 40 species of herbs in the genus Ageratum (family Asteraceae). 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. 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). Try growing ageratum in wildlife gardens where they will attract butterflies to their blooms. They are about 18 inches in height with blue flowers. Garden Ready Plants - Our garden ready plants are selected for garden performance, straight from the nursery. Variety Information: ½" bluish-purple pom-pom-like flowers with feathery petals borne in clusters. They are about 18 inches in height with blue flowers. Similar FLOWERS. Specifically in the highlands: Mau, Aberdares, parts of Laikipia and Nyeri. Ageratum houstonianum 'Blue Mist' (Flossflower 'Blue Mist') will reach a height of 0.25m and a spread of 0.2m after 1 year. These are some rugged plants that can withstand tough soil conditions and even deer! Compact plants with dark green ovate leaves and small rounded brush-like flowers in white. Native: Southern Mexico, Belize, and Honduras. Ageratum houstonianum ‘Blue Mink’ bears fluffy, powder-blue flowers. Height: 1.2m: Width: 50cm: Categories: Blue Flowering, Romantic Plants. Leaves are typically rounded, cordate-at-the-base, hairy, slightly quilted and soft green. They are best used as bedding, edging, or container plants. The flowering period is from May to November in the northern hemisphere. 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! Tall ageratum are also available in seed catalogues. [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]. ageratum houstonianum - Buy this stock photo and explore similar images at Adobe Stock Native to the Americas, but primarily Mexico and tropical South America, Ageratum species can be annuals or perennials. Seed may also be sown directly in the garden after last frost date, however flowering season will be shorter (late summer to frost). Planting Zones . Description: Ariella Blue is a quick growing, compact mounding plant that grows to a height and width of 30cm x 30cm. They form tussocks or small hills. Plant in a sheltered postion in full sun. Do not exclude light or allow to dry out. Annual. Most species are native to Central America and Mexico but four are native to the United States.. Height: 25cm(10in) Width: Depth: Plant Class: Half Hardy Annual (HHA). Ageratum houstonianum a-jer-AY-tum hoos-tone-ee-AY-num Audio There are many cultivars available of this fast-growing annual. Grow Ageratum houstonianum ‘Blue Mink’ in moist but well-drained soil in full sun. 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. They are best used as bedding, edging, or container plants. 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. Can be used as a cut flower. The flower heads are borne in dense corymbs. Useful Links: How to sow flower seeds Reasons to buy your seeds from Thompson & Morgan. Bloom Time: Late spring to frost. Sun and Soil Requirements . Ageratum houstonianum forma luteum Ageratum houstonianum Miller, forma luteum B. L. Robinson, Contr. It grows to approximately 1 m in height. Ageratum mexicanum Hort. Ageratum plants grow from seed or from small seedlings sometimes found in garden centers. Flower Size: . Ageratum houstonianum has numerous sticky hairs on the bracts surrounding its flower-heads (the involucral bracts are glandular pubescent). Not to mention, ageratum is one of the truest blue annuals you can find! It is a Native plant of Mexico. Ageratums are grown for their flowers, especially A. houstonianum. 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. 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. See more ideas about Plants, Planting flowers, Prune. Spent flowers will fall to the ground as they fade to be replaced by new bloom throughout the growing season. The blues are most popular and common, but colors also include violet, pink and white. Beds and borders, City, Containers, Cottage/Informal, Hanging baskets. (Maguire, Steyerm. Acamovic, T., Stewart, C.S., Pennycott, T.W.,"Poisonous Plants and Related Toxins", 2004. 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. Plant it with Bupleurum for a particularly eye catching combination. Hardiness: Annual. Exposure: Full sun to partial shade. 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. Gray Herb. Several dwarf varieties are commonly used as edging plants. 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. & Wurdack) R.M.King & H.Rob. 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 conyzoides is an erect, branching, soft, slightly aromatic, annual herb with shallow, fibrous roots. Height: 50cm (20"). If a transplanted crop: average number of days from transplant date. Can be grown in containers. The Ageratum houstonianum is a seasonal plant that usually reproduces during the spring until the end of the summer. F1 Hybrids 'Blue Angel' This annual grows to 250 mm (9¾ in) tall and produces lavender blue flowers. Ageratum houstonianum originated in Central America and the West Indies. 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. Beds and borders, City, Containers, Cottage/Informal, Hanging baskets. 50 seeds 153062: £5.75: In stock [?] 68: 6. Early/Late Flowering: . Bloom Period: Summer to frost . Characterized by their powder-puff flowers, these plants begin to bloom in late spring and keep the show going until the first frost. Description; Description (Ageratum houstonianum) SPECIAL QUALITIES. Average number of days from seeding date to harvest, within a specific crop group. 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). Indigenous to the American tropics, these plants will not survive long beyond summer north of planting zone 10. Good for beds, borders, pathways and rockeries. 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 … Aloha is early to flower and suited for growing in packs and in 10 cm (4 in.) Uses. The editors are not aware of records of the presence of this speciesin Uganda, though this does not necessarily mean that it is absent from this country. The flowers are blue, purple, lilac and cream colors. There is also a medium height snowcapped variety, white top on blue flowers. The margins are slightly toothed or serrate. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. Scientific Name : Ageratum houstonianum. Ageratum houstonianum. Tall ageratum are also available in seed catalogues. How to grow Ageratum 'Blue Mink' Plant size. It is an excellent type for mass production. 30cm spread . South facing, west facing . With a vigorous, open habit, it’s perfect for adding texture and colour to bedding, borders and containers, and is extremely attractive to pollinators. 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. ... blue ageratum grows in compact mounds that generally reach a height of 1-2 feet. 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. The common garden ageratum (A. houstonianum), also known as floss flower and blue mink, is frequently cultivated as an ornamental annual. Characterized by their powder-puff flowers, these plants begin to bloom in late spring and keep the show going until the first frost. Flossflower (Ageratum houstonianum) The Flossflower is an annual Ageratum species, that can range in height from 12 to 39 inches (30 to 100cm). They grow to a height of 30 in. Spread: 30cm (12"). 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. Color: White flowers, green foliage ‘Aloha’ is one of … Instead, the public now uses the genus name so frequently that it doubles, in essence, as a second common name. Will do well if grown in a pot or container. The name ‘ageratum’ comes from the Greek a- (without) and geras (age) as the petals retain their colour for a long time. 30cm height . The rounded leaves do not add any aesthetic value to the plant. 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. Ageratums are grown for their flowers, especially A. houstonianum. Most common ageratums, "Hawaii" for example, are a short 6-8 inches when full grown. They grow to a height of 30 in. There are two types of shrubs: Straight ; Sprawling ; There are also dwarf species which have adapted to exist indoors. Ageratums are grown for their flowers, especially A. houstonianum. Ageratum houstonianum, a native of Mexico, is among the most commonly planted ageratum varieties. Ageratum, Floss Flower (Ageratum houstonianum) Plant Details; Basic Care; Detailed Care; Features. Ageratum houstonianum. Easy to grow, blue ageratum grows in compact mounds that generally reach a height of 1-2 feet. Most common ageratums, "Hawaii" for example, are a short 6-8 inches when full grown. Ageratum Houstonianum. Annual growing to 30cm. Learn More in these related Britannica articles: Asteraceae. The ray flowers are threadlike and fluff-haired, leading to the common name. Ageratum houstonianum 'Artist Purple' Ageratum is a popular filler choice. The plant grows to 0.3–1 m high, with ovate to triangular leaves 2–7 cm long, and blue flowerheads (sometimes white, pink, or purple). Height/Spread: Compact habit, 6-8 inches tall and wide. This article was most recently revised and updated by Melissa Petruzzello, Assistant Editor. Fast growing. Tall ageratum are also available in seed catalogues. Cultivation. A classic annual for any garden, ageratum is a tough plant that can even handle a bit of shade. Ageratum Houstonianum is a low-growing plant which can reaches up to 0.5 m in height and has multi-colored flowering. The narrow lanceolate bracts are pointed, denticulate only at the top and glandular hairy. A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 18-30 in. Root rot may occur in poorly drained soils. Plant in a sheltered postion in full sun. Height: 20cm (8"). These are some rugged plants that can withstand tough soil conditions and even deer! Species flowers are medium blue, however many cultivars are available in commerce in various shades of blue, pink, red, white and bicolor. Plant in amongst other shrubs or perennials in full sun or part shade in general … With a dense, compact habit, Ageratum houstonianum 'Blue Danube' is perfect for adding texture and colour to bedding, borders and containers. 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. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. 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. Most species are native to Central America and Mexico but four are native to the United States.[3]. A. houstonianum is the most popular variety, in shades of white, blue and mauve. Common Name : Floss Flower. Posted on November 18, 2008 | Leave a comment. 1923. Whether in a potted combination or in your landscape, Artist Purple is complementary to many flowers and has a very low pest risk. Key Features: The Dressed to Impress™ range provides you with a living bunch of flowers. Noa, M., Sanchez, L.M., Durand, R., "Ageratum houstonianum toxicosis in Zebu cattle", Veterinary and human toxicology, 2004, vol.46, no4, pp.193-195. One of the tallest, Ageratum houstonianum 'Blue Horizon' (Floss Flower) features fluffy round clusters of lavender to purplish-blue flowers resembling asters. Most often you can see the blue flowers of various hues in gardens and parks. Ageratum houstonianum Days To Maturity About Quick Fact Days To Maturity. ageratum houstonianum - Buy this stock photo and explore similar images at Adobe Stock Good cultivars include: 'Adriatic', mid-blue flowers.Height 6in (15cm). Also effective in rock gardens. Middle . Zones: Annual in Zones 2-11, may overwinter in Zones 10-11. Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. 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. Description; Description (Ageratum houstonianum) SPECIAL QUALITIES. The stems and leaves are covered with fine white hairs; the leaves are egg-shaped with broad end at base (ovate) up to 7.5 cm long.

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