Hollyleaf Clover
Trifolium gymnocarpon
- Native to:
- United States
Stan Shebs






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Trifolium
- Species:
- Trifolium gymnocarpon
- USDA Symbol:
- TRGY
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 10 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- white, pink
- Ground Cover:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
Shasta Blue (Plebejus shasta)
Garden & Ecology Notes
- Wildlife Value:
- bees, small mammals
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire; adapted to sagebrush steppe fire regimes.
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- adapted to arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Scarification of hard seed coat improves germination. Cold stratification beneficial.
The above propagation data sourced from Claude AI