Porcupinegrass

Hesperostipa spartea

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Hesperostipa
Species:
Hesperostipa spartea

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr, may
Bloom Colors:
Yellow

Native Range

United States: Colorado, Iowa, Illinois, Indiana, Kansas, Michigan, Minnesota, Missouri, Montana, North Dakota, Nebraska, New Mexico, Ohio, Oklahoma, Pennsylvania, South Dakota, Wisconsin, Wyoming, Canada: Alberta, British Columbia, Manitoba, Ontario, Saskatchewan

Host Plant for Caterpillars

Common Wood-Nymph (Cercyonis pegala)

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny grasslands

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 90 days.

Source: OpenAI GPT-4o