Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Thimbleberry (Rubus parviflorus) is a perennial in the Rose family and is related to raspberries and blackberries. Spreading through underground rhizomes, the thornless canes can create a dense stand that is topped by large, maple-like leaves. In the spring, large white flowers bloom above the leaves. A bright red, edible fruit that resembles a raspberry (or a thimble, as the name suggests), ripens in summer.

Bees and other pollinators are attracted to the flowers, and the leaves are a host plant for many different species of butterflies and moths. Birds and other mammals eat the berries.

Thimbleberries grow in partly-shaded forest openings and on moist woodland canyons or slopes. Use Thimbleberry for erosion control on slopes in a forested garden; near shady creeks or streams; or on the north side of a house. Thimbleberry can be used as a native plant substitute for non-native berries in an edible garden or food forest.

Plant type

Shrub, Perennial herb

Size

4 - 8 ft Tall

Form

Upright, Spreading

Growth rate

Moderate, Fast

Dormancy

Winter Deciduous

Fragrance

Pleasant

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Color

White, Yellow

Flowering season

Spring

Special uses

Containers, Hedge

Sun

Partial Shade

Water

Low, Moderate

Summer irrigation

Max 1x / month once established

Ease of care

Easy

Cold tolerance

Tolerates cold to -10° F

Soil drainage

Fast

Soil description

Prefers moist, fertile soil with good drainage.
Soil PH: 5.0 - 7.0

Propagation

For propagating by seed: 3 mos. stratification may give satisfactory germination. Soaking in either 1% sodium hypochlorite (household bleach) 7 days or concentrated H2S04 20-60 mins., then 3 mos. warm and 3 mos. cold stratification may improve germination (USDA Forest Service 1974). Easily propagated from stem cuttings.

Sunset Zones

1, 2, 4*, 5*, 6*, 7*, 14, 15*, 16*, 17*, 18

Site type

Shaded, moist areas on the edge of woodland or forest, often in mountains

Plant communities

Closed-cone Pine Forest, Mixed Evergreen Forest, Red Fir Forest, Forest, Yellow Pine Forest, Wetland-Riparian

Use with trees from its native range, such as Fir (Abies spp.), Pine (Pinus spp.), and Redwood (Sequoia sempervirens)

Bats
Caterpillars
Butterflies

Butterflies and moths supported

2 confirmed and 70 likely

Confirmed Likely

Brittania Moth

Acleris britannia

Yellow-Banded Day Sphinx

Proserpinus flavofasciata

Acleris bowmanana

Acleris keiferi