Philadelphus lewisii (Wild Mock Orange)
Wild Mock Orange, Lewis' Mock Orange, Mock Orange, California Mock Orange
Philadelphus lewisii (Wild Mock Orange) is a fountain-shaped, loosely branched, deciduous shrub with long arching stems clothed with oval, soft green leaves turning yellow in the fall. Flowering for several weeks in late spring to early summer, a profusion of very fragrant, cup-shaped, 4-petaled, white flowers, 2 in. across (5 cm), are borne in clusters at the end of the stems. At the height of flowering, the shrub is literally covered in a mass of blossoms. The flowers exude a delightfully sweet fragrance reminiscent of orange blossoms with a hint of pineapple. The branches are red when new and fade to gray with age, the bark shredding in small flakes. Philadelphus lewisii is the state flower of Idaho. It makes a great background shrub or specimen plant. Plant it close to paths, windows, or entryways to enjoy the fragrant blossoms!
- Grows up to 5-12 ft. tall (150-360 cm) and 6-12 ft. wide (180-360 cm).
- A full sun to partial shade lover, this plant is tolerant of a wide variety of conditions, from moist to dry soils. Drought tolerant, though sometimes a little additional water can help it to thrive and flower more vigorously
- Great for shrub borders, foundation plantings, informal flowering hedges.
- Generally pest and disease free. Keep an eye out for leaf spot, canker, powdery mildew and rust.
- Blooms on previous year’s wood, so prune immediately after flowering. Old plants can be rejuvenated after flowering by cutting old wood back to the ground.
- Native to western North America, from northwestern California in the Sierra Nevada, north to southern British Columbia, and east to Idaho and Montana.
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Requirements
Hardiness | 4
– 9 |
---|---|
Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
Plant Type | Shrubs |
Plant Family | Philadelphus - Mock Oranges |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Spring (Late) Summer (Early) Fall |
Height | 5' – 12' (150cm – 3.6m) |
Spread | 6' – 12' (180cm – 3.6m) |
Spacing | 72" – 144" (180cm – 360cm) |
Water Needs | Low, Average |
Maintenance | Low |
Soil Type | Chalk, Loam, Sand |
Soil pH | Acid, Alkaline, Neutral |
Soil Drainage | Moist but Well-Drained, Well-Drained |
Characteristics | Cut Flowers, Fragrant, Showy |
Native Plants | United States, California, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Montana |
Tolerance | Drought |
Attracts | Butterflies |
Garden Uses | Beds and Borders, Hedges and Screens |
Garden Styles | Informal and Cottage |
Marinodenisenko / Nnattalli / Shutterstock
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
Hardiness | 4
– 9 |
---|---|
Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
Plant Type | Shrubs |
Plant Family | Philadelphus - Mock Oranges |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Spring (Late) Summer (Early) Fall |
Height | 5' – 12' (150cm – 3.6m) |
Spread | 6' – 12' (180cm – 3.6m) |
Spacing | 72" – 144" (180cm – 360cm) |
Water Needs | Low, Average |
Maintenance | Low |
Soil Type | Chalk, Loam, Sand |
Soil pH | Acid, Alkaline, Neutral |
Soil Drainage | Moist but Well-Drained, Well-Drained |
Characteristics | Cut Flowers, Fragrant, Showy |
Native Plants | United States, California, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Montana |
Tolerance | Drought |
Attracts | Butterflies |
Garden Uses | Beds and Borders, Hedges and Screens |
Garden Styles | Informal and Cottage |