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A picture of a Floss Flower

Floss Flower

Ageratum houstonianum

Also known as

Flossflower, Mexican Paintbrush, Bluemink, Blueweed, Pussy Foot

Ageratum houstonianum (in a flowerbed) 01 by Kor!An (Корзун Андрей) (CC BY-SA 4.0)

Full Sun
Moderate care
Moderate watering
Tender

Expected size

Height
Spread

50cm

Max

50cm

10cm

Min

10cm

1 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

More images

Ageratum houstonianum 02
Ageratum houstoanianum0
Ageratum houstonianum, Unterfranken 24
Ageratum houstonianum
Ageratum houstonianum 01

Overview

Ageratum houstonianum is a mound-forming, compact, bushy annual plant from the Asteraceae family. It produces downy, oval leaves and fluffy pale lilac-purple flowers. These appear from midsummer until the first frosts. Mulitple cultivars have been developed from this species, with a range of flower colours including blue, pink, purple, red and white. Attractive to bees and butterflies.

Common problems

Propagation

Seed

From seed sown in early spring at 16-18°C. Can also be sown in autumn and overwintered at 10°C.

Special Features

Attracts butterflies

Attracts bees

Attracts useful insects

Attractive flowers