Pacific Rhododendron

Rhododendron macrophyllum D. Don ex G. Don - Heath family

Size

Mature Height: Up to around 15.0 feet

Planting Distance: 6.0 feet

Plant Type: Tree, Shrub

Root Depth: 12 inches

Growth Form: Multiple Stem

Growth Rate: Moderate

Features

Flower Color: Purple

Conspicuous Flowers: Yes

Bloom Time: Spring

Seasonal Growth: Spring and Summer

Evergreen: Yes

Fall Colors: No

Conditions

Shade Tolerance: Intermediate

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: No

Drought Tolerance: None

Flood Tolerance: None

Fire Tolerance: Medium

Salt Tolerance: None

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Larval Host (Moth)

Larval Species depending on Pacific Rhododendron: Aseptis binotata, Dysstroma sobria, Hemigraphiphora plebeia, Neoalcis californiaria, Oligia illocata, Orthosia transparens, Synaxis jubararia

Native Range

CAN: British Columbia
USA: California, Oregon, Washington

Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.