BattenBlooms
PL. —Gaultheria shallonBotanical illustration — drop image
Gaultheria shallon

Salal

SpringSummer
6a–9bHardiness zone
Peak bloom windowZone 6b · frost-offset weeks
Winter
Not in bloom
Spring
Peak bloom
Summer
Not in bloom
Fall
Not in bloom
Peak bloom
In bloom
Background

Salal (Gaultheria shallon) is a broadleaf evergreen shrub native to the Pacific Coast from southeast Alaska to southern California. It produces small urn-shaped white to pink flowers in spring followed by dark purple-black berries in late summer and fall. It provides year-round structure in shady native plantings and is extensively harvested by the floral industry for its glossy, long-lasting cut foliage.

Salal spreads by underground rhizomes and forms dense thickets over time, making it an effective weed-suppressing groundcover under conifers and mixed woodland canopy. It performs best in cool, humid climates. In hot or dry inland sites it requires supplemental irrigation and afternoon shade. A deep mulch of wood chips or conifer needles helps retain soil moisture and maintain the low pH it requires. Rhizome spread can be managed by edging or periodic pruning at the plant's perimeter.

Berries were a dietary staple for many Pacific Northwest Indigenous peoples, eaten fresh or dried into cakes for winter storage. Leaves were traditionally chewed to suppress appetite during food scarcity and used to treat coughs. The plant contains arbutin, a compound with documented urinary antiseptic properties also found in bearberry (Arctostaphylos uva-ursi).

Good companions
Oregon GrapeKinnikinnickRed-flowering CurrantPacific Bleeding Heart
Care guide
SunPart shade to full shade
WaterModerate
SoilMoist, well-drained, acidic, humus-rich
Spacing3–5 ft
Height2–8 ft
Zone6a – 9b
Native RegionAK, CA, ID, OR, WA
Frost hardy
Seasonal tasks
spring
cutRemove any winter-damaged or dead stems at the base before new growth emerges in spring.
watchInspect the root zone for standing water after heavy spring rains; prolonged saturation promotes phytophthora root rot.
sowPlant container-grown salal in early spring while soil is still cool and moist; avoid disturbing the rootball and water in well.
summer
cutTrim back rhizome shoots at the planting perimeter if spread needs to be contained.
watchMonitor foliage for angular brown spots with darker margins indicating fungal leaf spot; remove affected leaves and avoid overhead irrigation.
fall
cutHarvest ripe dark-purple berries in late summer to early fall once fully colored and slightly soft to the touch.
sowSet out new container plants in early fall to allow root establishment before winter; mulch the root zone immediately after planting.
Common problems

Phytophthora Root Rot

Symptoms

Wilting despite moist soil, yellowing leaves, stunted growth, and dark, decayed roots and crown tissue. Vines may collapse during hot weather.

Treatment

Plant in well-draining soil and avoid waterlogging. Remove and destroy affected vines. Improve drainage with raised beds or amended soil and avoid overwatering.

Powdery mildew

Symptoms

White or grey powdery coating on leaves — usually starting on older growth in humid conditions or when nights cool.

Treatment

Improve air circulation by thinning plants. Apply neem oil or potassium bicarbonate spray at first sign. Avoid overhead watering.

Gaultheria Leaf Spot

Symptoms

Small to mid-sized brown or tan spots on leaves, often with a darker border; infected leaves may yellow and drop prematurely during wet seasons.

Treatment

Remove and dispose of infected foliage; avoid overhead irrigation; apply a copper-based fungicide at first sign of infection and repeat every 10–14 days through wet periods. Improve air circulation by thinning crowded stems.