A picture of a Couch Grass

Couch Grass

Elymus repens

Also known as

Quack Grass, Devil's Grass, Twitch Grass, Creeping Wildrye

Full Sun
Easy care
Light watering
Frost Hardy

4a-8b

USDA zone

-34°C

Minimum temperature

Expected size

Height
Spread

1.5m

Max

3m

20cm

Min

30cm

1 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

More images of Couch Grass

A photo of Couch Grass
A photo of Couch Grass

Couch Grass Overview

Elymus repens is a perennial weed species in the Poaceae family. It plagues lawns with its thin rhizomes causing it to pop up and spread rapidly throughout a lawn or bed. It is usually found in lawns where it typically grows to the same height as that of the surrounding grasses.

How to harvest Couch Grass

Not usually harvested.

How to propagate Couch Grass

Seed

Scatter the seeds onto some moist soil or compost.

Rhizomes

Special features of Couch Grass

Pioneer