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 vouchered herbarium specimen records 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.

Variableleaf Mountaintrumpet

Name: Pollinator Patch
Author: Pollinator Patch

Collomia heterophylla

Last reviewed: August 2026

Toxicity unknown

Variableleaf Mountaintrumpet (Collomia heterophylla) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

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

Before you buy

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Browse plants for this ecoregion

Coast Range Puget Lowland Marine West Coast Forest Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains North American Deserts

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 vouchered herbarium specimen records 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 vouchered herbarium specimen records 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.

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