About

A compact, vertical annual featuring sizable, soft purple to blue blooms that appear from summer and persist into autumn.

About the genus

Ageratum includes annuals, perennials, and shrubs that typically exhibit a bushy growth form. The plants feature simple, ovate leaves and produce small, fluffy flower clusters in shades of blue, pink, or white during the summer and autumn seasons.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing
Exposure
Sheltered
UK hardiness
H2

Plant details

Plant type
Annual Biennial
Habit
Bushy
Foliage
Deciduous
Height
0.1-0.5 metres
Spread
0.1-0.5 metres
Time to full height
1 year
Suggested uses
Cottage and informal garden, City and courtyard gardens, Patio and container plants, Wildlife gardens

Care notes

Cultivation
This genus is ideal edging for bedding schemes; bearing weather-resistant flowers on young plants. To prolong flowering, keep soil or growing media moist.
Pruning
No pruning required
Propagation
Propagate by seed
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free