Declez Road Growers
$3.00–$28.25Distance unavailable · 14620 Slover Ave, Fontana, CA 92337
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trefle.io · Taken Jun 15, 2014 by Tela Botanica − Quentin LEBASTARD (cc-by-sa)
Poaceae
Quackgrass
Elymus repens
Also known as Couchgrass, Zeia repens, Braconotia officinarum, Triticum infestum
Zones 4–10Sun Full SunWater ModerateCare Low
Native Plants · Grass · Weed · Invasive · Rhizomes · Spreading · Couch-Grass · Persistent
Pet-safeBeginner-friendly
In stock at 1 nurseryStock updated 9/6/2026
This aggressive spreading grass is considered a weed in most garden settings due to its invasive rhizome system. While extremely hardy and low-maintenance, it requires constant management to prevent it from overtaking other plants. Best avoided in cultivated gardens.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water regularly to maintain consistent soil moisture · Every 5-7 days
- Maintenance
- High
- Soil
- loam
- Soil pH
- 5.2–7.8
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4a-10b
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Form & growth
Mature size and habit
- Mature height
- 2 ft – 5 ft
- Spread
- 12 in
- Spacing
- 6 in apart
- Growth rate
- Fast
- Root depth
- Shallow
- Flowers
- No
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Afghanistan, Alaska, Albania, Alberta, Algeria, Altay, Amur, Antipodean Is., Argentina Northeast, Argentina South, Arizona, Arkansas, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, British Columbia, Bulgaria
Sources: trefle, usda
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