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Spike Bentgrass
Agrostis exarata
  
About Spike Bentgrass (Agrostis exarata) 4 Nurseries Carry This Plant Agrostis exarata is a species of grass known by the common names Pacific bentgrass, spike bentgrass, and spike redtop. It is native to western North America from Texas to the Aleutian Islands. This is a common perennial grass reaching one to three feet in height with long, thin, flat leaves each with a ligule of 2 to 4 millimeters. The tuft flower cluster may be up to 30 centimeters long and is usually dense with tiny spikelets. It reproduces mainly by seed, but it can also spread via rhizome. This bunchgrass occurs in many plant communities in varied climates. It is considered good forage for livestock.
Plant Description
Plant Type
Plant Type
Grasses

Size
Size
1 - 3.3 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Flower Color
Flower Color
Yellow

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


 
Butterflies & moths hosted ( 4 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Full Sun, Part Shade

Nurseries
Nurseries

Soil Description
Soil Description
Adaptable, tolerant of sand, loam and clay

Propagation
Propagation?
For propagating by seed: No treatment.

Natural Setting
Site Type
Site Type
Open disturbed places

Climate
Climate
Annual Precipitation: 5.0" - 152.5", Summer Precipitation: 0.15" - 5.82", Coldest Month: 10.0" - 61.0", Hottest Month: 33.4" - 88.0", Humidity: 0.01" - 41.78", Elevation: -3" - 14090"

Alternative Names
Botanical Names: Agrostis exarata var. monolepis
Common Names: Pacific Bentgrass, Spike Redtop


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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