Tomcat Clover
Trifolium willdenovii
Last reviewed: June 2026
Tomcat Clover (Trifolium willdenovii) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, 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.
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.
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.
Does Tomcat Clover fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.