A picture of a Canadian waterweed

Canadian waterweed

Elodea canadensis

Also known as

Water thyme

Full Sun
Moderate watering
Frost Hardy

H5

RHS hardiness

-15°C

Minimum temperature

Expected size

Height
Spread

4m

Max

2.5m

Min

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Canadian waterweed

A photo of Canadian waterweed
A photo of Canadian waterweed

Canadian waterweed Overview

A floating perennial water-plant native to Canada and North America. Has branching stems up to 4m long and small, curling, translucent leaves. This plant is grown in water for the large amounts of oxygen and the shelter it provides.

How to propagate Canadian waterweed

Cuttings

Propagate by division or from cuttings in summer.

Division

Other uses of Canadian waterweed

Aquatic, marshes, shelter