Palmer Evening Primrose
Tetrapteron palmeri
- Native to:
- United States
United States. Bureau of Land Management. Arizona State Office,United States. Bureau of Land Management. Arizona State Office,United States. Bureau of Land Management. Arizona State Office,United States. Bureau of Land Management. Arizona State Office,United States. Bureau of Land Management. Arizona State Office,United States. Bureau of Land Management. Arizona State Office,United States. Bureau of Land Management. Arizona State Office,United States. Bureau of Land Management. El Centro Field Office,,United States. Bureau of Land Management. California Desert District Imperial County (Calif.). Planning and Building Dept Arid Operations, Inc,Rich, Terrell Rich, Terrell, author United States. Bureau of Land Management, issuing body United States. Federal Geographic Data Committee. Vegetation Subcommittee Interior Columbia Basin Ecosystem Management Project (U.S.) Partners in Flight. Western Wo,Clemmer, Glenn H Knight, Teri A Nevada Natural Heritage Program Marjorie Barrick Museum of Natural History United Stat
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Onagraceae
- Genus:
- Tetrapteron
- Species:
- Tetrapteron palmeri
- USDA Symbol:
- CAPA37
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
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:
- adapted to arid desert conditions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best with light exposure and cool temperatures after stratification.
The above propagation data sourced from Claude AI