Kern River Evening Primrose

Camissonia integrifolia

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Onagraceae
Genus:
Camissonia
Species:
Camissonia integrifolia

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may
Bloom Colors:
Red, Yellow
Ground Cover:
Yes

Native Range

United States: California

Keystone Species Ranking

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 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal dunes and sandy flats

Germination Information

Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days

Source: OpenAI GPT-4o