Yellow Harlequin
Corydalis flavula
Last reviewed: June 2026
Light
part shade
Water
medium
Size
4"–12" H × 3"–6" W
Bloom
Apr, May
Native to
AL, AR, DE, FL and 21 more states
Pollinators
bees, flies
Yellow harlequin is a delicate annual wildflower that produces small, bright yellow tubular blooms in spring. This diminutive plant forms small clumps with finely divided, feathery foliage and typically completes its lifecycle by early summer.
In an HOA neighborhood
Yellow Harlequin 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.
- Very small size makes it appear sparse in landscaping
- Dies back completely by midsummer leaving gaps
- Annual nature creates inconsistent appearance year to year
Wildlife value
The small yellow flowers attract native bees and flies during its brief spring blooming period. As an annual, it provides early season nectar when few other flowers are available.
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 Yellow Harlequin fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.