About
Ageratum petiolatum is a compact perennial that grows up to 60 cm in height. It features small, oval-shaped leaves and produces dense clusters of soft, pale lilac-blue flowers from summer through early autumn. The flowers are borne on upright, branching stems.
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, Well-drained
- Aspect
- West-facing, South-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Patio and container plants
Care notes
- Cultivation
- Grow in any fertile soil with good drainage
- Pruning
- No pruning required. Can be cut back hard in spring to maintain a good shape
- Propagation
- Propagate by seed or from softwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free