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Bransford, W.D. and Dolphia
Philadelphus lewisii Pursh
Lewis' mock orange, Mock Orange, California mock orange
USDA Symbol: PHLE4
USDA Native Status: Native to U.S.
A loosely branched shrub, covered in the spring by many white flowers.
Idahos state flower; when in full bloom the flowers scent the air with a delightfully sweet fragrance reminiscent of orange blossoms. The genus is named for the Egyptian king Ptolemy Philadelphus, and the species name (and one of its common names) honors the scientist-explorer Meriwether Lewis, who first discovered and collected it during his exploration of the Louisiana Purchase. Indians used its straight stems in making arrows.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf:
Green Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Mar , Apr , May , Jun , Jul
CA , ID , MT , OR , WA Canada: AB
, BC Native Distribution:
British Columbia to central California; east to western Montana. Native Habitat:
Rocky slopes and open banks in open pine woods and mixed woodland. USDA Native Status: L48(N), CAN(N)
Growing ConditionsWater Use: Low
Light Requirement: Sun , Part Shade
CaCO3 Tolerance: Medium
BenefitWarning: Some Phacelia species produce a skin irritation in sensitive people, similar to that of poison oak or poison ivy.
Conspicuous Flowers: yes
Fragrant Flowers: yes
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Campbell Family Nursery
- Harmony, NC
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Santa Barbara Botanic Garden
- Santa Barbara, CANative Seed Network
- Corvallis, OR
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
View Recommended Species page
Record Modified: 2009-04-15
Research By: TWC Staff