Field Thistle
Cirsium discolor
Last reviewed: June 2026
Light
full sun
Water
medium
Size
24"–60" H × 12"–24" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, CT, DE and 27 more states
Pollinators
bees, butterflies, moths
Browse plants for this ecoregion
Field thistle is a tall native wildflower with spiny stems and purple flower heads that bloom from summer into fall. This robust perennial can reach 5 feet tall and spreads moderately in sunny locations with average moisture.
In an HOA neighborhood
Field Thistle takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Spiny appearance looks aggressive
- Name includes 'thistle' which has negative associations
- Can appear weedy and unkempt to traditional gardeners
Wildlife value
The purple blooms are magnets for native bees, butterflies, and moths throughout the long flowering season. Seeds provide food for goldfinches and other birds in fall and winter.
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 Field Thistle fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.