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. 30cm height . Grow Ageratum houstonianum ‘Blue Mink’ in moist but well-drained soil in full sun. Do not exclude light or allow to dry out. How to grow Ageratum 'Blue Mink' Plant size. F1 Ageratum houstonianum. Seed may also be sown directly in the garden after last frost date, however flowering season will be shorter (late summer to frost). 50 seeds 153062: £5.75: In stock [?] Zones: Usually grown as an annual; perennial in Zones 10-11. ... blue ageratum grows in compact mounds that generally reach a height of 1-2 feet. Will do well if grown in a pot or container. Spread: 30cm (12"). 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! A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 18-30 in. Ageratum houstonianum 'Blue Horizon' F1. Ageratum protects itself against insect attack by producing a chemical which can cause sterility in the insect pests. These are some rugged plants that can withstand tough soil conditions and even deer! Position in border. Taller varieties are appropriate for mid-borders or cutting gardens. 30cm height . A great value plant that is free flowering and easy to grow. 30cm spread . Plant in a sheltered postion in full sun. This article was most recently revised and updated by Melissa Petruzzello, Assistant Editor. ... (30 cm.) Good for beds, borders, pathways and rockeries. Several dwarf varieties are commonly used as edging plants. They are best used as bedding, edging, or container plants. The margins are slightly toothed or serrate. Native: Southern Mexico, Belize, and Honduras. Dainty, flossy blooms form mounds of soft color and texture perfect for combining with trailing and spiky, upright annuals. Their size and color makes ageratums good candidates for rock gardens, bedding, and containers. Not sure if crop is direct-seeded or transplanted? Height/Spread: 4 to 36 inches tall, 6 to 18 inches wide. 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). They are about 18 inches in height with blue flowers. 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. 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. Exposure: Full sun to partial shade. Ageratums are grown for their flowers, especially A. houstonianum. The strong vigor in the garden makes Aloha an excellent garden performer. Plant in amongst other shrubs or perennials in full sun or part shade in general … The ordinary Ageratum is a perennial, herbaceous plant or a dwarf, or shrub. 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. Growing Information. More than 60 cultivars of the blue ageratum flower are available, … 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. Gray Herb. Color: White flowers, green foliage ‘Aloha’ is one of … There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. Useful Links: How to sow flower seeds Reasons to buy your seeds from Thompson & Morgan.