When does dwarf bilberry bloom?

Dwarf bilberry typically flowers in May and June, producing small pink urn-shaped blossoms before its berries form later in summer.

What pollinates dwarf bilberry?

Bees and butterflies visit the small pink flowers of dwarf bilberry and are its primary pollinators.

What kind of habitat does dwarf bilberry prefer?

It grows in mountain meadows, subalpine forest openings, rocky slopes, and the margins of bogs and wet seeps, often at higher elevations.

How much sun does dwarf bilberry need?

It grows best with part sun but can tolerate brighter open sites as well as somewhat shadier forest edges.

How much water does dwarf bilberry need?

It prefers medium moisture but can handle both consistently damp bog edges and drier rocky ground once established.

Is Dwarf Bilberry toxic to livestock?

The USDA PLANTS Database does not flag Dwarf Bilberry as toxic to livestock.

Is Dwarf Bilberry HOA-friendly?

Dwarf Bilberry is generally an HOA-friendly choice in the right placement, with low maintenance.

Dwarf Bilberry

Name: Pollinator Patch
Author: Pollinator Patch

Vaccinium cespitosum

Last reviewed: September 2026

Dwarf bilberry is a low, mat-forming deciduous shrub that blooms in May and June in mountain meadows, subalpine slopes, and bog edges. It tolerates part sun to part shade and a range of soil moisture.

Toxicity unknown

Dwarf Bilberry (Vaccinium cespitosum) 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.

The USDA PLANTS Database (opens in new tab) does not flag Dwarf Bilberry as toxic to livestock.

Light

part sun

Water

medium

Size

6"–24" H × 12"–36" W

Bloom

May, Jun

Native to

CA, CO, ID, ME and 11 more states

Pollinators

bees, butterflies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

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 Central Basin and Range Southern Rockies Northern Forests Northern Lakes and Forests North Central Hardwood Forests Northeastern Highlands Acadian Plains and Hills

Dwarf bilberry is a low-growing native shrub that forms dense mats of small, oval leaves. It produces tiny white or pink bell-shaped flowers in late spring, followed by edible dark blue berries in summer.

Growing Dwarf Bilberry

Grow Dwarf Bilberry in part sun and medium water. Mature plants reach 6 to 24 inches tall and spread 12 to 36 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Dwarf Bilberry is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

The flowers attract native bees and butterflies in May and June. Birds and small mammals enjoy the nutritious berries throughout summer.

Common questions

When does dwarf bilberry bloom?: Dwarf bilberry typically flowers in May and June, producing small pink urn-shaped blossoms before its berries form later in summer.
What pollinates dwarf bilberry?: Bees and butterflies visit the small pink flowers of dwarf bilberry and are its primary pollinators.
What kind of habitat does dwarf bilberry prefer?: It grows in mountain meadows, subalpine forest openings, rocky slopes, and the margins of bogs and wet seeps, often at higher elevations.
How much sun does dwarf bilberry need?: It grows best with part sun but can tolerate brighter open sites as well as somewhat shadier forest edges.
How much water does dwarf bilberry need?: It prefers medium moisture but can handle both consistently damp bog edges and drier rocky ground once established.
Is Dwarf Bilberry toxic to livestock?: The USDA PLANTS Database does not flag Dwarf Bilberry as toxic to livestock.
Is Dwarf Bilberry HOA-friendly?: Dwarf Bilberry is generally an HOA-friendly choice in the right placement, with low maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

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.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Dwarf Bilberry? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz