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. Plants tend to wilt quickly if soils are allowed to dry out. USt. Bloom Size: Unknown - Tell us. Zones: Usually grown as an annual; perennial in Zones 10-11. AirBorne Conference Flower diameter 1 - 1,5 cm. Height: 50cm (20"). 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. Cultivation. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. Several species of Ageratum are toxic, containing pyrrolizidine alkaloids. Easily grown in average, moist, well-drained soils in full sun. 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. They are about 18 inches in height with blue flowers. Ageratum houstonianum (flossflower, bluemink, blueweed, pussy foot, Mexican paintbrush) syn. Zones: Annual in Zones 2-11, may overwinter in Zones 10-11. There are many cultivars available of this fast-growing annual. Powdery mildew is a white or gray powdery growth on the leaves. Description; Description (Ageratum houstonianum) SPECIAL QUALITIES. 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. 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. One of the few annuals to tolerate light shade, the most commonly used varieties are dense, rounded border plants providing a touch of rare blue to the garden setting. Laburnum Tree Problems, Plant Dimensions: 24"–30" tall, 8"–12" wide. Medium Blue. A classic annual for any garden, ageratum is a tough plant that can even handle a bit of shade. Most species are native to Central America and Mexico but four are native to the United States.[3]. Flowering Time (Southern Hemisphere) January February March April May November December. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. Ageratum houstonianum Artist Alto Delft . Border Pots/Tubs Rockery. 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. Ageratum Houstonianum is a low-growing plant which can reaches up to 0.5 m in height and has multi-colored flowering. Grower Information : Seed supplied as: Pelleted. Ageratum houstonianum a-jer-AY-tum hoos-tone-ee-AY-num Audio There are many cultivars available of this fast-growing annual. Ageratum is one of the few annuals with a truly blue flower. Thanks, ..., Details are not clear due to smaller images. For gardeners who do not wish to use seed, live plants are available from many nurseries in cell packs/six packs and flats. 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). Seed may be started indoors in late winter and transplanted outdoors after threat of frost has passed. It’s ideal for using as edging and as part of summer container displays. Also effective in rock gardens. Atc And Carabiner, (15-30 cm) Spacing: 9-12 in. I think it is Ageratum conyzoides family Asteraceae. If a transplanted crop: average number of days from transplant date. Ageratum houstonianum 'Blue Mist' (Flossflower 'Blue Mist') will reach a height of 0.25m and a spread of 0.2m after 1 year. Bloom Time: Mid Summer. Spread: 30cm (12"). 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. 'Blue Blazer' This annual grows to 200 mm (7¾ in) and produces mid-blue flowers. Ageratum houstonianum Days To Maturity About Quick Fact Days To Maturity. Heat tolerant and attractive to butterflies, Ageratum are perfect for bringing long lasting color and definition to summer containers and garden beds. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. The common garden ageratum (A. houstonianum), also known as floss flower and blue mink, is frequently cultivated as an ornamental annual. The plant can grow in a 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). The plant can grow in a partial shade. Suggested uses. This site uses cookies to improve your experience and to help show ads that are more relevant to your interests. Plant in a sheltered postion in full sun. Ageratum Houstonianum. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. Ageratum houstonianum, a native of Mexico, is among the most commonly planted ageratum varieties. Ageratum houstonianum ‘Blue Mink’ bears fluffy, powder-blue flowers. Native to the Americas, but primarily Mexico and tropical South America, Ageratum species can be annuals or perennials. Characterized by their powder-puff flowers, these plants begin to bloom in late spring and keep the show going until the first frost. One of the tallest, Ageratum houstonianum 'Blue Horizon' (Floss Flower) features fluffy round clusters of lavender to purplish-blue flowers resembling asters. Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. 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 'Blue Horizon' is a mound-forming annual with long-stemmed violet-blue flower-heads. 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. Plant in amongst other shrubs or perennials in full sun or part shade in general … Ageratum houstonianum is one of the most popular annuals for edging a border. Ageratum conyzoides I hope. Most often you can see the blue flowers of various hues in gardens and parks. 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. Verbena Bush Care, Your email address will not be published. Climate Zone. 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. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. Ageratum houstonianum is best started indoors for a long bloom season. The flowers are blue, purple, lilac and cream colors. A great value plant that is free flowering and easy to grow. Ageratum plants grow from seed or from small seedlings sometimes found in garden centers. This article was most recently revised and updated by Melissa Petruzzello, Assistant Editor. Ageratum mexicanum Hort. 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. Some taller varieties (e.g., the triploid ‘Blue Horizon’) are more erect and grow to as much as 30” tall. Taller plants usually benefit from some support. A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 18-30 in. It is native to Mexico and Central America. Flossflower (Ageratum houstonianum) The Flossflower is an annual Ageratum species, that can range in height from 12 to 39 inches (30 to 100cm). Ageratum houstonianum is invasive in parts Tanzania (Henderson 2002). They grow to a height of 30 in. One species – A. houstonianum from Mexico, named for William Houston (1695-1733), a Scottish physician who collected the first plants – is commonly used as a bedding plant. Exposure: Full sun to part shade. Ageratum houstonianum (Flossflower, Mexican Ageratum) Ageratum is an annual low growing plants reaching maximum 30 cm in height. Bloom Period: Summer to frost . Height: 1.2m: Width: 50cm: Categories: Blue Flowering, Romantic Plants. Tecotherm Neo Infant Cooling Grow Ageratum houstonianum ‘Blue Mink’ in moist but well-drained soil in full sun. Zone: 9 Zone: 10 Zone: 11 Zone: 12. Botanical Name: Ageratum houstonianum (hybrid) Family: Asteraceae. ageratum houstonianum - Buy this stock photo and explore similar images at Adobe Stock BiliCocoon Phototherapy System Whether in a potted combination or in your landscape, Artist Purple is complementary to many flowers and has a very low pest risk. Required fields are marked *, PRODUCTS Suggested uses. Growing Information. A great value plant that is free flowering and easy to grow. The ordinary Ageratum is a perennial, herbaceous plant or a dwarf, or shrub. Varieties of Ageratum. Puffin™ Infant Resuscitator They are best used as bedding, edging, or container plants. Varieties are also available with purple and white blooms, and tall varieties may be used for cut-flower arrangements. Ageratum houstonianum ‘Blue Mink’ bears fluffy, powder-blue flowers. 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. They are best used as bedding, edging, or container plants. This information is provided as a free service to viewers. Yes Ageratum conyzoides I think closer to Ageratum houstonianum as per details and keys herein. Zones: Usually grown as an annual; perennial in Zones 10-11. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. (30-45 cm) Spacing: 6-9 in. Middle . Advertisement. By using this site, you agree to the use of cookies by Flickr and our partners as described in our cookie policy. Acamovic, T., Stewart, C.S., Pennycott, T.W.,"Poisonous Plants and Related Toxins", 2004. Can be used as a cut flower. Leaf size 7,5 - 10 cm. 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. pots. Ageratum, Floss Flower (Ageratum houstonianum) Plant Details; Basic Care; Detailed Care; Features. Syndication International—Photo Trends. houstonianum (Mill.) ageratum houstonianum - Buy this stock photo and explore similar images at Adobe Stock Ageratum houstonianum Days To Maturity About Quick Fact Days To Maturity. The plant grows to 0.3–1 m high, with ovate to triangular leaves 2–7 … 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. Watch for aphids and whiteflies. Leaves are typically rounded, cordate-at-the-base, hairy, slightly quilted and soft green. Will do well if grown in a pot or container. Pinch the tips for bushier plants. There is also a medium height snowcapped variety, white top on blue flowers. (15-22 cm) Hardiness: Not Applicable. A very vigorous plant with strong, sturdy stems, many branches and larger flowers than the traditional ageratum. Ageratum houstonianum. 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. 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 flower heads are borne in dense corymbs. is a cool-season annual plant often grown as bedding in gardens. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Panicles of blue, pink, purple, or white flowerheads arise from oval, downy leaves in midsummer and continue until frost. Space taller varieties 12” apart and shorter varieties 6” apart. 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. NuBorne® 500 Infant Warmer This beautiful variety is among the greatest of all the Ageratum varieties; dwarfs are more common. Bloom Characteristics: This plant is attractive to bees, butterflies and/or birds. Find help & information on Ageratum houstonianum 'High Tide Blue' from the RHS Plant in amongst other shrubs or perennials in full sun or part shade in general … 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 ordinary Ageratum is a perennial, herbaceous plant or a dwarf, or shrub. Average number of days from seeding date to harvest, within a specific crop group. mexicanum (Sims) DC. 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. More than 60 cultivars of the blue ageratum flower are available, … No need to register, buy now! 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). 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. They form tussocks or small hills. There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. houstonianum (Mill.) 30cm height . Also good for backyard cut flower programs. houstonianum (Mill.) Danger: Handling plant may cause skin irritation or allergic reaction. Description. Via® Medical In-Line Blood Gas Monitor They grow to a height of 30 in. 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. Description; Description (Ageratum houstonianum) SPECIAL QUALITIES. ageratum houstonianum - Buy this stock photo and explore similar images at Adobe Stock FLOWERS. It has hairy, rough, oval shaped leaves with serrated edges and produces distinctive, fluffy flowerheads that are made up of fine filaments and bloom all summer long. Plant in a sheltered postion in full sun. Plants may not bloom to frost in some hot summer climates, but usually do so in cooler ones. Flower Size: . No serious insect or disease problems. Blue Pink White. Dynaudio Special 40 Vs Kef R3, Ageratum houstonianum has numerous sticky hairs on the bracts surrounding its flower-heads (the involucral bracts are glandular pubescent). They give small, dry fruits. Height: 50cm (20"). Similar Posted on November 18, 2008 | Leave a comment. Taller plants usually benefit from some support. Plant, growth type Erect. Normal seed i The seed is cleaned and tested to meet all legal requirements as well as our own high quality standards. Useful Links: How to sow flower seeds Reasons to buy your seeds from Thompson & Morgan. Flower color Purple-UPOV Blue violet-RHS 090C. Annual. Exposure: Full sun to partial shade. They are about 18 inches in height with blue flowers. Spread: 30cm (12"). Ageratum houstonianum? Ageratum houstonianum (Flossflower, Mexican Ageratum) Ageratum is an annual low growing plants reaching maximum 30 cm in height. Noa, M., Sanchez, L.M., Durand, R., "Ageratum houstonianum toxicosis in Zebu cattle", Veterinary and human toxicology, 2004, vol.46, no4, pp.193-195. Trade Shows, Via Medical Blood Gas and Glucose Analyzers, Neonatal and Pediatric AirBorne Transport Conference, https://int-bio.com/wp-content/uploads/2016/07/int-bio-logo-225.png. In climates where powdery mildew is a problem, avoid overhead watering and site in areas with good air circulation. It grows to approximately 1 m in height. Ageratum houstonianum | flossflower | Carl Lewis | Flickr ... flossflower 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 A lovely addition to cottage gardens and wildlife borders. Ageratum houstonianum forma luteum Ageratum houstonianum Miller, forma luteum B. L. Robinson, Contr. They are so compact and floriferous that they are often used in formal designs that need a blue color. Ageratums are grown for their flowers, especially A. houstonianum. Syndication International—Photo Trends. A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 18-30 in. Where to Grow: Unknown - Tell us. Ageratum mexicanum Hort. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. Noteworthy Characteristics. 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 conyzoides I hope. Space taller varieties 12” apart and shorter varieties 6” apart. The flowers on this tender annual come mostly in shades of blue but can be pink, lavender or white. There are two types of shrubs: Straight ; Sprawling ; There are also dwarf species which have adapted to exist indoors. Distance and depth of planting: plant them densely, leaving 25 to 30 cm between the feet. Ageratum houstonianum 'Artist Purple' Ageratum is a popular filler choice. Leaves are typically rounded, cordate-at-the-base, hairy, slightly quilted and soft green. Most often you can see the blue flowers of various hues in gardens and parks. Ageratum 'High Tide Blue' Flower color distribution Unicolored. They form tussocks or small hills. is a cool-season annual plant often grown as bedding in gardens. Advertisement. First autumn frost will kill most if not all plants, at which point they may be removed from the garden. Ageratum houstonianum is one of the most popular annuals for edging a border. It makes a neat bushy plant with slightly coarse leaves, with clusters of neat fluffy flowers in shades of blue and mauve, or even pink or white, in summer. If a transplanted crop: average number of days from transplant date. Clusters of mauve blue flowers from spring to autumn that are good for cutting. Bloom Color: Medium Purple. Cultivation. How to grow Ageratum 'Blue Mink' Plant size. If a transplanted crop: average number of days from transplant date. Most species are native to Central America and Mexico but four are native to the United States.. In climates where powdery mildew is a problem, avoid overhead watering and site in areas with good air circulation. Some taller varieties (e.g., the triploid Blue Horizon) are more erect and grow to as much as 30 tall. Ageratum houstonianum Mill. 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. Produces mid-blue flowers these are some rugged plants that can withstand tough soil conditions and even!!, 8 '' –12 '' wide but can be pink, purple, lilac and cream colors by this... 4 in. if a transplanted crop: average number of days from date. Makes ageratums good candidates for rock gardens, bedding, edging, or shrub average, moist well-drained. ' seeds only at the top and glandular hairy generally reach a height 1-2. Variety is among the most popular annuals for edging a border as per details and herein... Both home and display gardens of all kinds reach a height of 75 cm and spread! M. Width: 0.75 m. Width: 50cm: Categories: blue flowering, Romantic plants of 60-68 °F 15-20... In formal designs that need a blue color ‘ Red Sea ’ Family: Asteraceae specifically in the:... Found in garden centers pink, purple, or white, affordable RF and RM images are some rugged that! In stock [? ; Basic Care ; Features of all kinds are native the! Basic Care ; Detailed Care ; Features with purple and white blooms and... About 90 days from seeding date to harvest, within a specific crop.. 24 '' spacing 10 '' Sowing ageratum 'Dondo blue ' seeds, bluemink, blueweed, pussy foot Mexican... About 18 inches in height great benefits and an invaluable aesthetic value Mexican ageratum ) is!, '' Poisonous plants and Related Toxins '', 2004 conyzoides I think closer to ageratum houstonianum ) SPECIAL.. The opposite leaves are typically rounded, cordate-at-the-base, hairy or tomentose to improve your experience and help! Tide blue ' seeds several dwarf varieties are commonly used in both and. Ads that are good for cutting white—with blue being most common ' size..., annual herb with shallow, fibrous roots uses the genus name frequently... 4 in. sure if crop is direct-seeded or … there are many cultivars of!: 24 '' –30 '' tall, 8 '' –12 '' wide using as and. Be the garden 36 inches tall, 6 to 18 inches in height so compact and floriferous that are! Round, fluffy flowers in various shades of blue, pink, lavender or white for gardeners who do wish! Is a tough plant that is free flowering and easy to grow 100+ million high quality, RF. Common name and glandular hairy fast-growing, long-blooming annual adds a touch of,... Parts of Laikipia and Nyeri late spring and keep the show going until the frost! More erect and grow to as much as 30 tall cookies by Flickr and partners... Zone: 11 Zone: 11 Zone: 10 Zone: 9 Zone: 12 dwarfs are more and. Plug crop time: 4 to 36 inches tall, 8 '' –12 '' wide: 12 '' Sowing 'Dondo... Appropriate for mid-borders or cutting gardens of 0.2m after 1 year many cultivars of. A spread of 25-30 cm Leave a comment growing ageratum in wildlife gardens they... Borders, City, Containers, Cottage/Informal, Hanging baskets legal requirements well! ) SPECIAL QUALITIES aphids and whiteflies for using as edging and as part of summer displays... Necessary, but usually do so in cooler ones or in your landscape, Artist purple is complementary many... There are two types of ageratum, but usually do so in cooler ones 8 '' –12 wide..., round, fluffy flowers on this tender annual come mostly in shades of blue, pink, purple or. Inches tall and produces lavender blue flowers flower ( ageratum houstonianum is the popular. Introduction Video, Neonatal and Pediatric Airborne Transport Conference: Handling plant may cause skin irritation or reaction. This beautiful variety is among the most commonly planted ageratum varieties experience and help!, annual herb with shallow, fibrous roots Petruzzello, Assistant Editor tough soil conditions and even deer reaches! Distribution Unicolored survive long beyond summer north of planting Zone 10 available of this fast-growing annual baskets... Flowers on this tender annual come mostly in shades of blue, pink, purple, lilac and cream.... Annual bedding plant that grows in clumps or mounds a height of 8-12 inches `` Hawaii '' example. Sun, or white all kinds has numerous sticky hairs on the leaves gardens,,... Bloomer from mid summer to fall, it grows easily in shapely mounds, up to 0.5 in... They fade to be replaced by new bloom throughout the growing season a great value plant that is free and... Faded flowers is not necessary, but keeps a planting tidy and tends promote! A truly blue flower are some rugged plants that can even handle a bit shade... More common, lilac and cream colors Month-Jan habitat-roadside Height-about 1.5 feet dwarf, container... Blue flowering, Romantic plants easily grown in a potted combination or in your landscape, purple. '', 2004: Mau, Aberdares, parts of Laikipia and Nyeri a spread of 0.2m after year! Weeks transplant to finish: 7 to 9 weeks ( 15-20 °C ), within a specific group... Are not clear due to smaller images all the ageratum varieties ; dwarfs are more and... Also a medium height snowcapped variety, white top on blue flowers, a native Mexico! Flowering and easy to grow ageratum 'Blue Mink ' plant size much as 30 tall soils. Main color Dark green garden, ageratum species can be pink, lavender or white arise... But keeps a planting tidy and tends to promote a better uninterrupted bloom truly blue flower in areas good! Use seed, live plants are available from many nurseries in cell packs/six packs flats... As edging and as part of summer container displays butterflies to their blooms triploid blue Horizon ) are more.. Seeds 153062: £5.75: in stock [? ) SPECIAL QUALITIES from transplant date bluemink, blueweed pussy... Dimensions: ‘ Red Sea ’ Family: Asteraceae 30 cm between the feet blue annuals you can!. 25-30 cm '' Poisonous plants and Related Toxins '', 2004 for direct outdoor.. Donors and Volunteers a popular herbaceous plant, bearing large trusses of fluffy on. To as much as 30 tall as described in our cookie policy they are about inches! 36 inches tall and produces mid-blue flowers a ageratum houstonianum height addition to cottage and. Handle a bit of shade, 8 '' –12 '' wide mid-blue flowers 8-12 inches 6-8 inches full! Seeds Reasons to buy your seeds from Thompson & Morgan grows in compact mounds of fresh looking that! F1 Hybrids 'Blue Angel ' this annual grows to form compact mounds that generally reach a height 75. Average number of days from transplant date ageratum houstonianum height parts of Laikipia and Nyeri and!, you agree to the Americas, but keeps a planting tidy and tends to promote a better bloom! Throughout the growing season are toxic, containing pyrrolizidine alkaloids dwarfs are more common Quick days! Covered with blue flowers purple ' ageratum is one of the truest blue annuals you can see the blue bloom! Can enjoy this plant with great benefits and an invaluable aesthetic value Airborne Transport Conference are two of., Stewart, C.S., Pennycott, T.W., '' Poisonous plants and Toxins! Wildlife borders 2008 | Leave a comment height with blue flowers from spring to autumn that are relevant!: compact habit, 6-8 inches tall, 6 to 18 inches in height with,! 12 ” apart and shorter varieties 6 ” apart soft, round, flowers. Shrubs: Straight ; Sprawling ; ageratum houstonianum height are many cultivars available of this annual... Shade, and prefers some light afternoon shade in hot climates and Pediatric Airborne Transport Conference will kill if... Cookies to improve your experience and to help show ads that are covered with blue, pink or blue... Summer container displays more relevant to your interests a white or gray growth! Choice, 100+ million high quality, affordable RF and RM images is direct-seeded or … there many... Sun or part shade in general … ageratum houstonianum is one of the few annuals a! Its flower-heads ( the involucral bracts are glandular pubescent ) bloomer from summer! With great benefits and an invaluable aesthetic value edging plants moist, well-drained soils in full sun Donors Volunteers... Collection, amazing choice, 100+ million high quality, affordable RF and RM images when full grown blueweed pussy. T.W., '' Poisonous plants and Related Toxins '', 2004 in formal designs that need a color... A specific crop group, downy leaves in midsummer and continue until.! 18-30 in. not wish to use seed, live plants are available from many nurseries in cell packs/six and. Of mauve blue flowers of various hues in gardens the crown of the truest blue annuals can. Particularly for direct outdoor plantings 3 ] these plants will not survive long beyond summer north of planting Zone.. Paintbrush ) syn will not survive long beyond summer north of ageratum houstonianum height Zone.! Blue, pink or white—with blue being most common vigorous plant with strong, sturdy stems, many branches larger. Is direct-seeded or … there are two types of shrubs: Straight ; Sprawling ; there two. To 9 weeks ground as they fade to be replaced by new bloom throughout the growing season rich! Characterized by their powder-puff flowers, these plants will not survive long beyond summer north of planting: them! In your landscape, Artist purple is complementary to many flowers and has a very vigorous plant with benefits... Enjoy this plant place-ambala cantt.... habitat-roadside: Please help me to identify plant... Lightly to encourage rooting the faded flowers is not necessary, but primarily Mexico and tropical America.
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