Tomcat Clover
Trifolium willdenovii
Last reviewed: June 2026
Trifolium willdenovii (Tomcat Clover) is a native forb found across the western United States from Arizona to Washington. This drought-tolerant wildflower blooms from March through June with pink flowers that attract bees and butterflies.
Tomcat Clover (Trifolium willdenovii) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
4"–16" H × 4"–12" W
Bloom
Mar, Apr, May, Jun
Native to
AZ, CA, ID, OR and 1 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Tomcat clover is a low-growing annual wildflower with distinctive purple-pink flower heads. It blooms from early spring through early summer, creating a charming seasonal display. This clover thrives in full sun with low water requirements once established.
Growing Tomcat Clover
Grow Tomcat Clover in full sun and low water. Mature plants reach 4 to 16 inches tall and spread 4 to 12 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Tomcat Clover is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 2 out of 5.
Works well in: mid zone, backyard only.
- Annual nature means seasonal dieback
- May spread unpredictably in some landscapes
- Can look somewhat informal/meadow-like
Wildlife value
Tomcat clover attracts various bee species including native bumblebees and honeybees. Butterflies also visit the flowers for nectar.
Common questions
- Where does Tomcat Clover naturally grow?
- Tomcat Clover is native to five western states: Arizona, California, Idaho, Oregon, and Washington.
- When does Trifolium willdenovii bloom?
- Tomcat Clover typically blooms from March through June, producing pink flowers during the spring and early summer months.
- What pollinators visit Tomcat Clover?
- Bees and butterflies are the primary pollinators of Trifolium willdenovii, making it a valuable plant for supporting native pollinator populations.
- How much water does Tomcat Clover need?
- This native clover is adapted to low water conditions and is considered drought-tolerant once established, making it suitable for water-wise gardens.
- Is Tomcat Clover toxic to dogs?
- Tomcat Clover is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Tomcat Clover toxic to cats?
- Tomcat Clover is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- Is Tomcat Clover HOA-friendly?
- Tomcat Clover is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Tomcat Clover? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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