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