Gaultheria hookeri

Pendulant bell-shaped, white flowers develop into blue, purple and mauve fruit, all displayed on the same plant. Evergreen foliage makes this an ideal low screen or understory groundcover.
Height: 2-3 feet
Width: 3-4 feet
Water: Moist, well-drained humus-rich soil
Blooms: Late Spring - Early Summer
Exposure: Partial Shade
Hardiness: Zone 7

Gaultheria procumbens

This creeping, rhizomatous shrublet grows to 6 inches, with scalloped or bristly toothed, glossy, dark green leaves. Foliage has a strong wintergreen scent when crushed. Urn-shaped white or pale pink flowers appear in summer and mature to aromatic scarlet fruit that often persists into the following spring.
Height: 0.5-1 ft.
Width: 1-3 ft.
Water: Average water needs
Blooms: Summer
Exposure:Partial to Full Shade
Hardiness: Zone 3

Gaultheria shallon

A do-it-all evergreen groundcover, adaptable to moist or dry soils. Rounded, leathery dark green leaves are popular in the floral industry and purple-black berries are attractive to birds. Native to western US.
Height: 2-3 feet
Width: 2-3 feet
Water: Dry to Moist soil
Blooms: Mid-Late Spring
Exposure: Partial Shade
Hardiness: Zone 5