Diamond Clarkia
Clarkia rhomboidea
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Onagraceae
- Genus:
- Clarkia
- Species:
- Clarkia rhomboidea
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 1-2 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun, jul
- Bloom Colors:
- Pink, Purple
Native Range
United States: Arizona, California, Idaho, Massachusetts, Montana, Nevada, Oregon, Utah, Washington, Canada: British Columbia
Host Plant for Caterpillars
Clark's sphinx moth (Proserpinus clarkiae), Snowberry Clearwing (Hemaris diffinis), White-lined sphinx moth (Hyles lineata)
Reported Fauna Sightings
Bees: van Dyke bumble bee (Bombus vandykei), van Dyke bumble bee (Bombus vandykei), Yellow-faced bumble bee (Bombus vosnesenskii), Yellow-faced bumble bee (Bombus vosnesenskii)
Soil Requirements
- Soil Type:
- well-drained, sandy or rocky soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open, sunny slopes and meadows
Germination Information
Pre-treatment: None required
Establishment: Clarkia rhomboidea, also known as Diamond clarkia, is found within the mattoral vegetation association of California and other parts of the western United States and Canada.
Source: npn.rngr.net