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A picture of a Loosestrife

Loosestrife

Lythrum spp.

Also known as

Purple loosestrife

Lythrum salicaria, purple loosestrife 4 by liz west (CC BY 2.0)

Full Sun
Moderate watering
Frost Hardy

7a

USDA zone

-18°C

Minimum temperature

Expected size

Height
Spread

1m

Max

50cm

50cm

Min

10cm

3 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Loosestrife

Lythrum salicaria, Acton, Massachusetts
Lythrum californicum 4
A photo of Loosestrife
A photo of Loosestrife

Loosestrife Overview

Lythrum is a genus containing around 39 annual or perennial plants from the Lythraceae family. These plants have a wide distribution throughout the temperate world. Commonly known as Loosestrife, these plants often have square stems, slender leaves and airy spikes of star-like flowers in shades of purple, pink and white. In cultivation they do best in a moist habitat, forming attractive clumps of lance-shaped leaves. Plant near water, with other plants that enjoy moist soil.

Common problems with Loosestrife

Loosestrife Companion Plants

How to propagate Loosestrife

Division

Seed

Special features of Loosestrife

Attractive flowers

Attractive leaves

Wet sites

Other uses of Loosestrife

Borders

Bog Plants

Browse our collection of plants that will prefer to grow in bog conditions.

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