Root rot may occur in poorly drained soils. Ageratum wendlandii Bailly Cacalia mentrasto Vell. Tolerates light shade, and prefers some light afternoon shade in hot summer climates. There are perennials and even shrubs in the small genus Ageratum, native to the warm regions of North and South America. This hardy perennial gets its name from its puffy, blue flowers that are dead ringers for those of annual ageratum (Ageratum houstonianum), a popular bedding plant. Proven Winners brings a new vegetative line of Ageratum. Some taller varieties (e.g., the triploid ‘Blue Horizon’) are more erect and grow to as much as 30” tall. Ageratum is a vigorous plant that does well throughout the entire warm growing season. The height and multi-branching habit of Blue Horizon make it an ideal cut flower for farmers’ market and roadside sales. Stems reach a maximum height of 30″ and provide a dense ground cover for shading any new weed growth. They are also long-lasting and hold well once cut and given adequate water. 'Blue Horizon' Surprisingly long blooming – late Spring to Winter here at the nursery – I love this old fashioned 30” TALL “Floss Flower” for its rich, fluffy (pettable!) Ageratum is also known as flossflower or blue mink. Ageratum Ageratum houstonianum. Good for cutting About Ageratum Blue Horizon. An annual, Ageratum prefers fertile soil with good drainage and full sun (it will tolerate partial sun where summers are hot). One of the tallest, Ageratum houstonianum 'Blue Horizon' (Floss Flower) features fluffy round clusters of lavender to purplish-blue flowers resembling asters. Plant Details: Scientific Name: Ageratum. This hardy little plant needs a space of 10-12 inches to properly grow, as the height to be expected is 8 to 12 inches while the spread should be between 10 to 12 inches. F1 Ageratum houstonianum / SEED Blue Horizon Ageratum, commonly known as floss flower, is the first F1 triploid ageratum strain for cut flower cultivation. Growing Guide Sowing Instructions: Depth: Surface sow and press in lightly; requires light to germinate. 3 pictures total. Ageratum is a popular filler choice. A Gardener's Delight. 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. Sow Indoors or Outdoors: Blue Horizon Ageratum flower seeds are best started indoors 8 – 10 weeks prior to the final frost, with germination occurring in 7 – 21 days with full lighting. Ageratum Blue Horizon produces bluish-purple flowers that grow in bunches which are 2-3″ in diameter. Features. For gardeners who do not wish to use seed, live plants are available from many nurseries in cell packs/six packs and flats. For Alaska and Hawaii, select your state on the following checkout page for a shipping quote. Blooms with blue flowers from August to December. Whether in a potted combination or in your landscape, Artist Blue is complimentary to many flowers and has a very low pest risk. Some taller varieties (e.g., the triploid ‘Blue Horizon’) are more erect and grow to as much as 30” tall. This variety grows to approximately 30 inches/76 cm tall with a spread of 8 inches/20 cm. Plants tend to wilt quickly if soils are allowed to dry out. Noteworthy Characteristics 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. Taller plants usually benefit from some support. It grows into a multi-stemmed mound from 18 to 36 inches tall. Species flowers are medium blue, however many cultivars are available in commerce in various shades of blue, pink, red, white and bicolor. Optimum Germination Temperature: 77 ºF / 25 ºC . ‘Wayside,' a more compact selection, tops out at 15 inches tall. These popular bedding plants are most often purchased as nursery starts in tray packs or flats, but can also be grown from seed. Taller varieties are appropriate for mid-borders or cutting gardens. Synonym: Ageratum mexicanum. Plants should be placed in the ground after the last frost date in spring or anytime during the spring, summer or early fall growing periods. 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. Cut them for your vase and they still keep coming. This classic filler adds texture and interest to bouquets and also attracts bees and butterflies to the garden. Height: 18-24 Pelleted Seed Only Space taller varieties 12” apart and shorter varieties 6” apart. Ageratum houstonianum 'Blue Horizon' F1. Ageratum Blue Horizon is a brightly-colored favorite for vegetable gardeners and cut flower growers. Also effective in rock gardens. All Rights Reserved |. BLUE HORIZON ,AGERATUM HOUSTONIANUM, BLUE MINK - perennial ,grow 2-5 feet tall. A taller plant than its sibling Artist® Purple, with sturdy stems that won't get beaten down by weather. Due to the triploid breeding, Blue Horizon has larger blooms than traditional Ageratum, is very vigorous and is easy to produce. ex Vilm. As an edging or "border" plant, it is meant to be displayed en masse. Leaves are typically rounded, cordate-at-the-base, hairy, slightly quilted and soft green. Combine soft blue ageratum with pink begonias for a low pastel ground cover, or mass them with short yellow marigolds or celosia for more contrast. We recommend transplanting Ageratum Blue Horizon for best results. Puffs of mid-blue flowers on long stems will be easily marketed for fillers in floral bouquets. Bloom Description: Lavender to purplish-blue. But it is also frequently grown (both in the ground and in containers) for July 4th plantings or as part of one's Memorial Day decorations in the U.S. (see below). Try mixing the powder blue varieties with white petunias, lamb’s ear or dark blue lobelia. Genus name comes from the Greek "a" meaning not and " geras" meaning old age because the flowers hold their color for a long time. These seeds are pelleted, which makes them easier to singulate and ensure that only one seed is placed in each seed tray cell. Ageratum houstonianum. All Rights Reserved | Privacy Policy. Attract bee and butterflies, hummingbird. 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. 'Blue Horizon' features fluffy lavender to purplish-blue flowers. Ageratum houstonianum F1 The first F1 triploid ageratum strain highly suitable for garden bedding use. Artist 'Blue' & Artist 'Purple' will work extremely well in containers, mixed baskets and in the landscape. We also get lots of butterflies landing on ours especially in the fall during their final migrations. Transplants may be started a few weeks before the last frost date in spring, but can also be grown anytime throughout the warmer months. Strong blue color gives it special appeal. Marketing Information: Bench Card Download a Bench Card. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. Taller varieties may need early staking. Prompt deadheading of the faded flowers is not necessary, but keeps a planting tidy and tends to promote a better uninterrupted bloom. This hybrid variety produces tall, sturdy stems that are multi-branching. See more ideas about garden seeds, garden, seeds. A very vigorous plant with strong, sturdy stems, many branches and larger flowers than the traditional ageratum. 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. NOTE: Seed is … Plant 'Blue Horizon' in full sun and moderately fertile, well-drained soil. Sprout Time: 5-14 days Starting Indoors: Sow indoors 6-8 weeks before planting out and keep at 75°F until germination occurs, then at about 65-75°F.Water from below by placing containers/trays in a larger tray of water; this helps prevent damping off and disturbance of seeds. 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. Description A frost-tender herbaceous annual to 1/2-1' tall, mounding with clusters of fluffy, aster-like flowers that should be planted with 10-12 inches of space. Blue ageratum is a classic bedding plant. We recommend transplanting Ageratum Blue Horizon for best results. Pelleted seed. Spent flowers will fall to the ground as they fade to be replaced by new bloom throughout the growing season. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. Excellent for cutting. Seed may also be sown directly in the garden after last frost date, however flowering season will be shorter (late summer to frost). Leaves are typically rounded, cordate-at … This will ensure the production of continuous blooms throughout the growing season. Synonyms Synonymy Ageratum mexicanum Sweet Ageratum mexicanum Sims Ageratum wendlandii Hort. Very similar to Tall Blue Planet. These fuzzy flowers have long stems that make them perfect for bouquets and bundle arrangements. © Copyright 2020 Hoss Tools. … It produces tall, sturdy bloom clusters that are great for attracting pollinators and filling bouquets. Tall growing, with strong, sturdy stems and numerous branches Watch for aphids and whiteflies. Seeds are tiny and difficult to work with, particularly for direct outdoor plantings. It works great when planted among vegetable plants as it attracts beneficial insects and loads of bee and butterfly pollinators. First autumn frost will kill most if not all plants, at which point they may be removed from the garden.‘Blue Horizon’ is an F1 hybrid that may be grown from seed. Horizon Blue Ageratum. The Blue Floss Flower. Start ageratum seeds in February to March (8-10 weeks). Free from insects, diseases, and pests, this cultivar is perfect for the annual border or as a cut flower. Bred primarily for cut flower production, but works well in background plantings and landscaping. The tall blue types go well with yellow cosmos. These fuzzy flowers have long stems that make them perfect for bouquets and bundle arrangements. Annual. Ageratum is grown for its whimsical pompom-shaped flowers that occur mostly in shades of blue, though colors also include white, pink, lavender, and red. Ageratum flower seeds sown directly after the frost will exhibit a shorter blooming period. The tight blue flower clusters are 1 1/2-3" across and are long-lasting for bouquets. ... 'Blue Horizon' 24"-36" mid-blue flowers 'Everest Blue' 'Fields' 'High Tide Blue' 'Red Sea' 24" -36" red flowers . We took the Safe Seed Pledge so you don't have to worry about the health of your family.wers look soft and fuzzy. In climates where powdery mildew is a problem, avoid overhead watering and site in areas with good air circulation. … Ageratums are easily grown from seed. lavender flower clusters to 4” across and how nice it looks in the garden, its sturdy branching stems so well clothed in attractive emerald green heart-shaped leaves. Excellent low growing, mound plant useful for borders while the taller cultivars make excellent cut flowers. Ageratum Blue Horizon Cultural Information for: Ageratum Blue Horizon Annual Common Name: Ageratum or Floss Flower Botanical Name: Ageratum houstonianum Seed Count: 19,800/ounce 700/gram. Beneficial insects can drastically improve the health and vigor of your vegetable garden, as they will increase pollination and reduce the populations of harmful crop pests. Ageratum Houstonianum In A Garden Bed with Begonias and Marigolds. © Copyright 2020 Hoss Tools. Prefers rich soils with good drainage and consistent moisture throughout the growing season. Carelia houstoniana Kuntze Ageratum houstonianum, commonly known as flossflower, … 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.Specific epithet honors William Houston (1695-1733) who collected species plants in Mexico in the early 1700s.Common name of floss flower is in reference to the thread-like appearance of the fluffy blooms. Producing large clusters of brilliant blooms, this makes an excellent cut flower as well as … For best results, prune or cut flowers as they bloom. The powder blue button blooms grow on 30” strong stems. 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). They are excellent in gardens or bouquets, where their cloud-like clusters of purplish blue flowers weave companions together. Asteraceae (ass-ter-AY-see-ee) ( Info) Genus: Ageratum (ad-jur-RAY-tum) ( Info) Species: houstonianum (hoos-toh-nee-AH-num) ( Info) Cultivar: Blue Horizon. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. Ageratum An enduring favorite, Ageratum houstonianum is ideal in pots or containers, beds, borders, and the pollinator garden. 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. Seed may be started indoors in late winter and transplanted outdoors after threat of frost has passed. Plants may not bloom to frost in some hot summer climates, but usually do so in cooler ones. Uses for Blue Ageratum . Ageratum Blue Horizon is a favorite among cut flower growers and vegetable gardeners.

ageratum houstonianum 'blue horizon

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