Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Trifolium

Species:

Trifolium willdenovii

USDA Symbol:

TRWI3

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun

Bloom Colors:

purple, pink, white

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (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

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Native annual clover of California grasslands; reseeds prolifically after fire in grassland systems.

Soil Requirements

Soil Type:

well-drained, sandy or loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

prefers open, sunny habitats

Propagation & Germination

Stratification:

None required

Scarification:

Seed coat scarification required before sowing

Germination Time:

7–21 days

Notes:

Scarification improves germination. Seeds may benefit from inoculation with appropriate Rhizobium.

The above propagation data sourced from Claude AI