Variableleaf Mountaintrumpet
Collomia heterophylla
Last reviewed: June 2026

Light
full sun
Water
low
Size
4"–24" H × 2"–12" W
Bloom
Jun, Jul, Aug
Native to
CA, ID, OR, WA
Pollinators
bees, butterflies
Browse plants for this ecoregion
Variableleaf mountaintrumpet is a compact annual wildflower that produces small, colorful trumpet-shaped blooms from June through August. This low-growing native plant thrives in sunny, dry conditions and requires minimal water once established.
In an HOA neighborhood
Variableleaf Mountaintrumpet 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.
- Annual nature means gaps in coverage
- Small wildflower appearance may look weedy
- Variable growth habit can appear uneven
Wildlife value
The trumpet-shaped flowers attract bees and butterflies during the summer blooming period. As an annual, it provides seasonal nectar resources for pollinators.
Common questions
- How much sun does Variableleaf Mountaintrumpet need?
- Variableleaf Mountaintrumpet grows best in full sun conditions.
- When does Variableleaf Mountaintrumpet bloom?
- Variableleaf Mountaintrumpet blooms in June, July, and August.
- Where is Variableleaf Mountaintrumpet native?
- Variableleaf Mountaintrumpet (Collomia heterophylla) is native to CA, ID, OR, WA, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Variableleaf Mountaintrumpet attract?
- Variableleaf Mountaintrumpet draws bees and butterflies.
- Is Variableleaf Mountaintrumpet HOA-friendly?
- Variableleaf Mountaintrumpet 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 Variableleaf Mountaintrumpet? 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