Stipa Species, Thurber's Needlegrass

Stipathurberiana

Family
Poaceae (poh-AY-see-ee)
Genus
Stipa (STEE-pa)
Species
thurberiana (thur-ber-ee-AY-na)
Synonym
Achnatherum thurberianum
Sun Exposure
Full Sun
Foliage
Provides Winter Interest
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Hardiness
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)
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)
Bloom Color
Pale Green
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Ornamental Grasses and Bamboo
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Scarify seed before sowing
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

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Gardener's Notes:

0
positive
0
neutral
0
negative
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