An herbaceous perennial to 90cm in height, the mid-green leaves with a prominent midrib. Flowers 6-9cm in width, bluish-purple, with minute standards and large, rounded falls
Mature Height
1m
Mature Spread
0.5m
Plant Characteristics
Foliage
Deciduous
Growth Habit
Rosette
Growth Speed
Moderate · 0.3 m/yr
Soil Texture
Loam
Soil pH
AcidNeutral
Soil Moisture
Well-drained
Hardiness (RHS)
H9
Hardiness (USDA)
Zone 3
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
Cottage and informal gardenFlower borders and bedsCut flowers