Spike Bentgrass

Agrostisexarata

Family
Poaceae (poh-AY-see-ee)
Genus
Agrostis (ag-ROSS-tiss)
Synonym
Sun Exposure
Full Sun
Height
4-6 ft. (1.2-1.8 m)
Spacing
24-36 in. (60-90 cm)
Hardiness
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)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Inconspicuous/none
Bloom Time
N/A
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Seed Collecting
Bag seedheads to capture ripening seed
Regional

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Gardener's Notes:

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positive
1
neutral
0
negative
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Oklahoma City, OK (Zone 7a) | November 2004 | neutral

Found in moist places along creeks, rivers or roadsides in open woodlands and forests. It can be found from Alaska to South Dakota and s...Read More

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