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