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How to Grow Ageratum

Ageratum Germination Information

Ageratum is the botanical name for Floss Flower
Ageratum Seed Germination How to Sow Ageratum:
  • For outdoor growth, sow indoors 6-8 weeks before planting outside
  • for container growth, sow anytime of the year
  • Maintain a temperature of 70°F-75°F or sow outdoors when warm enough
  • Ageratum blooms 10-14 weeks from sowing
  • When sowing seed outdoors, we recommend a maximum planting depth of 4X the width of the seed

How to Grow Ageratum:
Spacing:  Space the plants 9-12 inches apart

Lighting: Plant in full sun or light shade

Soil: Soil must be kept well-drained. Keep the plants watered to avoid wilting, and fertilize them monthly

Temperature:  Indoors, keep temperature at 60-65°F at night, 70° F during the day

Appearance and Use:

An annual with heart-shaped foliage and “powder-puff” flowers (some are excellent for cutting) it is at home in beds, borders, and as edging fore containers. Mounded plants with downy, serrated green foliage reach 4-30 inches tall and spread 6-12 inches wide. Fluffy, tubular 1/4- to 1/2 -inch blooms of blue, pink, white, or lavender arise in loose clusters all summer. To keep the flowers fresh in a vase for 7-10 days, cut the blooms just as they are opening

About Ageratum:
Pronunciation:  a-jer-å’tum hos-toni-e-a’num
Lifecycle:  Annual
Origination: Composite family (Compositae); native to Mexico
Common Name: Floss Flower