Full Sun
Moderate care
Light watering
Frost Hardy
8a
USDA zone
-12°C
Minimum temperature
Expected size
Height | Spread | |
|---|---|---|
2.5m | Max | 1m |
1.5m | Min | 50cm |
2 years to reach maturity
Flowering
spring
summer
autumn
winter
This plant has no fragrance
More images
Overview
An old garden favourite, this short lived perennial only occasionally flowers in its first year. Tall flower spikes up to 2 m form in summer, with usually pink flowers but sometimes shades of red, yellow, cream and white. Flowers may be double or single.
Common problems
Young growth can be attacked by caterpillars; flea beetles occasionally causes significant defoliation
Harvesting
Collect seed in late summer/ early autumn, however colour will not come true if other varieties are nearby.
Propagation
Seed
Sow late winter in pots/modules at 13C for flowers in the same season. Or direct sow in midsummer if treating as a biennial.
Special Features
Attracts butterflies
Attracts bees
Uses
This plant suits informal cottage style gardens planted in flower borders/beds or wall-side borders.
MORE TO EXPLORE
Looking good in July - Top 10
Traditionally flowering in July, these flowers will be at their best this month.
Garden Biennials
A biennial plant takes two years to complete it's flowering cycle but worth the wait.
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