Giant Wildrye

Leymus condensatus (J. Presl) Á. Löve - Grass family

Size

Mature Height: Up to around 8.5 feet

Plant Type: Graminoid

Root Depth: 18 inches

Growth Form: Rhizomatous

Growth Rate: Moderate

Features

Flower Color: Yellow

Conspicuous Flowers: No

Bloom Time: Mid Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Low

Flood Tolerance: Low

Fire Tolerance: High

Salt Tolerance: Low

Ecosystem Interactions

Pollinators: Larval Host (Moth); Wind

Larval Species depending on Giant Wildrye: Apamea cuculliformis, Benjaminiola colorada, Ctenucha brunnea, Mammifrontia rileyi, Mesapamea stipata, Mythimna unipuncta

Native Range

  • USA:  California
  • MEX:  Mexico Northeast, Mexico Northwest
Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.