Creek Clover (Trifolium obtusiflorum) is an annual forb native to Western US states (such as California and Oregon) that can thrive in USDA Zones 7–10 as a spring annual. Reaching a mature height of 1–2 feet with a stout, upright to sprawling growth habit, it features sharply toothed trifoliate green leaves and produces large, purplish-pink flower heads with white-tipped petals. It thrives in moist gravelly creek beds, seasonal swales, and spring seeps and is ideal for riparian edge stabilization, seasonal wetland revegetation, and soil nitrogen enrichment.
This is an annual herb that grows between 1 to 2 feet tall. It is used for erosion control and soil fertility enhancement. This plant prefers full sun and moist soils, often found in meadows and riparian zones.
Species Attributes
Seeds Per lb
Growing Region
Pacific Northwest, California, Southwest
Native
California, Southwest
Life Form
Legume
Life Cycle
Annual
Light Requirements
Sun, Part Shade
Precipitation Requirements
Medium
Mature Height
1-3 ft
Flowering Season
Spring, Summer
Cool/Warm Season
Bloat/Non-Bloat
Bloat
Bloom Color
White, Purple
Bunch/Sod
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