Not the plant you're looking for? Search over 300,000 plants
Annual BiennialBedding

Ageratum 'Blue Champion'
  • RHS Plants for pollinators

floss flower 'Blue Champion'

A compact, clump-forming, half-hardy annual growing to 20cm (8in) high and wide, with mid-green ovate leaves and clusters of fluffy light blue-purple flowers from late spring through to autumn. Its compact form and long flowering period, make it ideal for using at the front of borders, in bedding schemes and in containers.

Synonyms
Ageratum 'Champion Blue'

Join the RHS

Become an RHS Member today and save 25% on your first year

Join now
Buy this plant
Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Purple Green
Summer Blue Purple Green
Autumn Blue Purple Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Ageratum can be annuals, perennials or shrubs, usually bushy in habit, with simple ovate leaves and small fluffy blue, pink or white flower-heads in summer and autumn

Name status

Unresolved

How to grow

Cultivation

A half-hardy annual which does well in moisture-retentive, but well drained soil in full sun. Ideal to use as edging for bedding schemes, for planting near to the front of the border, or in summer containers

Propagation

Propagate by seed in spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Bedding
  • Flower borders and beds
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.