Milkflower Willowherb
Epilobium lactiflorum
Last reviewed: June 2026
Light
part sun
Water
medium
Size
8"–24" H × 4"–12" W
Bloom
Jun, Jul, Aug, Sep
Native to
AZ, CA, CO, ID and 10 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Milkflower willowherb is a compact native perennial that produces delicate white to pale pink flowers from summer through early fall. This low-growing wildflower forms neat clumps and goes dormant in winter, returning each spring with fresh foliage.
In an HOA neighborhood
Milkflower Willowherb 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.
- Appears weedy and unkempt to conventional landscaping standards
- Small wildflower appearance may not meet formal garden expectations
- Dies back completely in winter leaving bare spots
Wildlife value
The long blooming period provides nectar for bees and butterflies throughout the growing season. Its extended flowering makes it particularly valuable for late-season pollinators when other plants are finishing their bloom cycles.
Common questions
- How much sun does Milkflower Willowherb need?
- Milkflower Willowherb grows best in part sun conditions.
- When does Milkflower Willowherb bloom?
- Milkflower Willowherb blooms in June, July, August, and September.
- Where is Milkflower Willowherb native?
- Milkflower Willowherb (Epilobium lactiflorum) is native to AZ, CA, CO, ID and 10 more states, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Milkflower Willowherb attract?
- Milkflower Willowherb draws bees and butterflies.
- Is Milkflower Willowherb HOA-friendly?
- Milkflower Willowherb takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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 Milkflower Willowherb? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz