Streambed Wheat Grass, Thick-spiked Wheatgrass
Elymuslanceolatus

Family: Poaceae (poh-AY-see-ee)
Genus: Elymus (EL-ih-mus)
Species: lanceolatus (lan-see-oh-LAY-tus)

Synonym:Elymus lanceolatus subsp. lanceolatus

Synonym:Agropyron dasystachyum

Synonym:Agropyron lanceolatum

Synonym:Agropyron riparum

Synonym:Elytrigia dasystachya

Category
Groundcovers
Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun

Foliage
Grown for foliage
Deciduous
Herbaceous
Smooth

Foliage Color

Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing

Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)

Where to Grow

Danger

Bloom Color

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds