Ageratum, Blueweed, Flossflower, Mexican Ageratum
Ageratum houstonianum

🌿 Morphology
🌞 Growing conditions
🌍 Origin and family
🌾 Uses
Warning: Despite the care taken in writing this sheet, it is essential to cross-reference sources before using or consuming any plant. When in doubt, consult a qualified professional
Permaculture uses
Ageratum is primarily used as an ornamental plant in permaculture gardens, attracting pollinators like butterflies and bees. Some cultivars have more compact growth habits, making them suitable for edging or container gardening. Its strong scent can also deter certain pests.
Permapeople description
Ageratum houstonianum, commonly called flossflower, is an annual flowering plant in the daisy family. It is popular for its blue, lavender, pink, or white fluffy flowerheads.
Botanical description
Ageratum houstonianum is an annual flowering plant in the family Asteraceae, native to Central America and Mexico. It typically grows to a height of 6-18 inches with a spread of 6-12 inches. The plant features fuzzy, heart-shaped leaves and clusters of small, fluffy flowers that are typically blue, lavender, pink, or white. The flowers bloom profusely throughout the summer and fall. Seeds are small and black.
Companion planting
Ageratum is believed to deter nematodes and other pests, making it a beneficial companion plant for various crops. It is often planted near tomatoes, cabbage, and other vegetables.
Propagation methods
Ageratum is primarily propagated by seeds, which can be sown directly in the garden after the last frost or started indoors 6-8 weeks before. Cuttings are also a possible, although less common, method of propagation.
History and traditions
Historically, Ageratum has been used in traditional medicine to treat wounds and as an anti-inflammatory agent, particularly in its native regions. The name 'Ageratum' comes from the Greek word 'ageratos,' meaning 'un-aging,' referring to the long-lasting flowers.
Usage calendar
Sow seeds indoors: February-April. Transplant seedlings: May-June. Flowering: June-October. Seed collection: September-November.