Lewis' Mock Orange

Philadelphus lewisii Pursh - Hydrangea family

Size

Mature Height: Up to around 12.0 feet

Planting Distance: 6.0 feet

Plant Type: Shrub

Root Depth: 6 inches

Growth Form: Multiple Stem

Growth Rate: Moderate

Features

Flower Color: White

Conspicuous Flowers: Yes

Bloom Time: Late Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intolerant

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: Medium

Flood Tolerance: Low

Fire Tolerance: Low

Salt Tolerance: None

Ecosystem Interactions

Pollinators: Native Bees; Beetles, Wasps, Flies; Butterflies; Larval Host (Moth)

Larval Species depending on Lewis' Mock Orange: Anacamptodes clivinaria profanata, Euchlaena johnsonaria

Native Range

  • CAN:  Alberta, British Columbia
  • USA:  California, Idaho, Montana, 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.