El Paso Evening Primrose

Oenothera coryi

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Onagraceae
Genus:
Oenothera
Species:
Oenothera coryi

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
6 in - 1 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr, may
Bloom Colors:
Orange, Yellow
Ground Cover:
Yes

Native Range

United States: Texas

Keystone Species Ranking

Caterpillar Keystone:
★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Bee Keystone:
★★★☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky limestone outcrops

Germination Information

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

Source: OpenAI GPT-4o