Wildflower Archive

woodland shrub

Salal

Gaultheria shallon

Salal (Gaultheria shallon)1 of 2
Biodiversity Heritage Library

Native to California, Oregon, and Washington and southern Canada

Coastal areas from Santa Barbara county, California to British Columbia

  • Light Full sun to shade Sun tolerance
  • Moisture Dry to wet Moisture preference
  • Zones 5–10 Cold to heat range
  • Bloom Apr–Jul Flowering time
  • Height up to 6 ft to 1.8 m
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland shrub for sun through shade and consistently moist to wet soil. Its white and pink flowers peak in May. At up to 6 ft, it needs room in shade gardens and woodland edges. It spreads readily, so give it room or a contained spot. Hardy in USDA zones 5–10.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

When it blooms

The Salal's white and pink flowers bloom April to July, peaking in May. This late-spring display draws bees and wasps.

Apr–JulJanFebMarAprMayJunJulAugSepOctNovDec

Salal blooms white & pinkFoliage

Pollinators & wildlife

  • Bees Common Eastern Bumble Bee
    also Yellow-faced Bumble Bee, Black-tailed Bumble Bee, Fuzzy-Horned Bumble Bee +5 more Yellow-fronted Bumble Bee, Sitka Bumble Bee, Fog-belt Bumble Bee, Common Carder Bumble Bee, Bombus vancouverensis vancouverensis
  • Wasps Common Aerial Yellowjacket
  • Moths Silver-spotted Tiger Moth
  • Also visited by
    • Butterflies: Pale Swallowtail

Butterflies that use this plant

Documented host and nectar records. Each links to a planting guide for that butterfly.

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
California, Oregon, and Washington and southern CanadaUnited States (3): CA, OR, WA. Canada (1): BC. Where it grows wild on its own, by state and province.
Native distribution
Coastal areas from Santa Barbara county, California to British ColumbiaThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Full sun to shadeHow much sun it takes, from full sun to full shade.
Moisture
Dry to wetThe soil dampness it prefers, from dry to wet.
Hardiness zones
USDA 5–10 · Canadian 3–9The cold-to-heat climate range it survives.
Soil
Moist, peaty soilThe soils it grows in naturally.
Soil texture
Light to medium (sandy to loamy)The soil grade it prefers, from sand to clay.
Soil pH
5.5–7.0The acidity to alkalinity it tolerates (7 is neutral).
Soil quality
MediumHow rich a soil it needs. Many natives prefer lean soil and flop in rich beds.
Water use
HighHow thirsty it is, a rough guide to how often to water.
Salinity tolerance
NoneHow well it copes with salty soil, near roads or the coast.
Lime (CaCO₃) tolerance
NoneHow well it copes with chalky, lime-rich soil.

Growth & form

Height
up to 6 ft (to 1.8 m)Typical mature height.
Spread
~3 ft (1 m)How wide one plant gets, a guide to spacing.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
Growth rate
RapidA relative ranking versus other plants of the same type (USDA), not an absolute rate.
Shape
ErectIts overall silhouette.
Root depth
12+ in (30+ cm)How far the roots reach, a guide to drought resilience and transplanting.

Flowers, foliage & fruit

Type
ShrubWhat kind of plant it is.
Bloom
Apr–JulWhen it flowers.
Flower color
White, PinkThe bloom color, or colors.
Fruit/Seeds
ripens Jun–SepThe seed or fruit it sets after flowering.
Toxicity
None knownWhether any part is poisonous to people or pets.

Propagation & seed

Cold stratification
Required (cold, moist)Whether seed needs a cold, moist spell before it will germinate.
Propagation
Bare root, container, seedHow to start new plants.
Seed
~5 million seeds per poundNotes on the seed and how to sow it.
Seed spread rate
RapidHow readily it self-sows. Slow or none means well-behaved, not a spreader.
Seedling vigor
MediumHow strongly young seedlings establish.
Vegetative spread
RapidWhether it creeps outward or stays put in a clump.