Lythrum salicaria
purple loosestrife
Flower Color
Description
A robust herbaceous perennial with upright stems to 1.2m tall, clad in narrow, willowy leaves, and small vivid purplish-pink flowers 2cm wide in dense terminal spikes over a long period in summer
Mature Height
1.5m
Mature Spread
0.5m
Plant Characteristics
Foliage
Deciduous
Growth Habit
Clumping
Growth Speed
Moderate · 0.4 m/yr
Soil Texture
ClayLoam
Soil pH
AcidAlkalineNeutral
Soil Moisture
Poorly-drained
Hardiness (RHS)
H9
Hardiness (USDA)
Zones 3-9
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
Cottage and informal gardenWildlife gardensWildflower meadowFlower borders and beds