Floss Flower ‘Blue Mink’ Seeds (Ageratum houstonianum)

The Floss Flower ‘Blue Mink’ is a compact, long-flowering annual that produces unique clusters of soft, fluffy sky-blue flowers from summer to autumn. Known for its neat, bushy habit and striking color, it’s perfect for bedding, borders, edging, and container planting. Its powder-blue shades blend beautifully with pinks, whites, and yellows, making it a versatile addition to any garden.

What Makes It Special

• Distinctive fluffy blue blooms rarely found in annuals

• Compact, uniform growth ideal for low borders

• Long flowering season – continuous display until frost

• Attracts bees and butterflies

Key Features

• Botanical name: Ageratum houstonianum

• Variety: Blue Mink

• Seed count: Approx. seeds per pack

• Height/Spread: 20–30 cm tall, 20–25 cm spread

• Position: Full sun or partial shade; moist, well-drained soil

• Flowering period: June–October

Ideal For

• Bedding and edging

• Container and patio displays

• Cottage gardens

• Pollinator-friendly planting

Sowing Instructions

1. When to sow: February–April indoors

2. How to sow:

   • Sow thinly on the surface of moist compost; do not cover, as light aids germination

   • Maintain 18–22°C; germination usually takes 7–14 days

3. Transplanting: Prick out seedlings when large enough, grow on in small pots, then harden off before planting outdoors after the last frost

4. Spacing: Plant 20 cm apart

5. Care: Deadhead to extend the flowering season