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Silver Spike Grass

Achnatherum calamagrostis
SKU: HC016081
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Exclusive. Achnatherum calamagrostis (Silver Spike Grass) is an outstanding Old World species grown for its late spring display of silver-green flower spikes. The seed heads age to tawny brown and hold on the plant into the fall. Drought Resistant/xeric. Introduced into cultivation in the US by Lauren Springer Ogden. 2006 Plant of the Year.
key features
Botanical Name
Achnatherum calamagrostis
Easy To Grow
Growing Zones
Zone 5, Zone 6, Zone 7, Zone 8
Light Requirements
Full Sun
Soil Moisture
Water Tolerance
Mature Height
36" tall
Mature Spread
36" wide
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