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Hesperostipa spartea (Porcupinegrass) | NPIN
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Hesperostipa spartea (Porcupinegrass)
Wasowski, Sally and Andy

Hesperostipa spartea

Hesperostipa spartea (Trin.) Barkworth

Porcupinegrass, Porcupine grass

Poaceae (Grass Family)

Synonym(s): Stipa spartea

USDA Symbol: HESP11

USDA Native Status: L48 (N), CAN (N)

Upright to arching clumps of stout stems rise 2-4 ft. The seeds, occuring in long, slender, nodding seedheads, have a pointed, twisted awn, 4-8 long. The entire plant cures silvery white in fall.

 

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Leaf: Green
Flower:
Fruit:
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May

Distribution

USA: CO , IA , IL , IN , KS , MI , MN , MO , MT , ND , NE , NM , OH , OK , PA , SD , WI , WY
Native Distribution: Ont. to B.C., s. to OH, MO, NM & MT
Native Habitat: Dry prairies & open woodlands

Growing Conditions

Water Use: Medium
Light Requirement: Sun
Soil Moisture: Dry
CaCO3 Tolerance: Medium
Soil Description: Dry, rocky or sandy soils.

Value to Beneficial Insects

Provides Nesting Materials/Structure for Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Propagation

Description: Unlike seeds of most other grasses, porcupine grass seeds germinate best when planted deep (3/4). Seeds have a way of sowing themselves naturally by means of a twisted awn that screws the seed into the ground. Sow seeds in spring. They prefer cool wea
Seed Collection: Collect in late Jun. to Jul.
Seed Treatment: Moist stratification may increase germination.
Commercially Avail: yes

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Hesperostipa spartea in USDA Plants
FNA: Find Hesperostipa spartea in the Flora of North America (if available)
Google: Search Google for Hesperostipa spartea

Metadata

Record Modified: 2009-02-20
Research By: TWC Staff

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