| Scientific Name: | Philadelphus lewisii |
| Common Name: | Lewis mock orange |
| Family Name: | Hydrangeaceae |
| Origin: | B.C. west of Cascades, U.S. - northwest |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Shrub - deciduous |
| Mature Size: | 2 - 3m x 1.5 - 2.0m (height x width) |
| Habit: | Stiffly upright |
| Form: | Oval - vertical |
| Texture: | Medium - fine |
| Landscape Uses: | Fragrance, Mixed shrub border, Small garden/space, Specimen plant, Woodland margin |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Acidic, Well-drained |
| Leaves: | Simple, Opposite, Heavily veined, Tomentose, Elliptic, Ovate, Entire, Serrulate |
| Flowers: | Raceme, White, May-Jun |
| Fruit: | Capsule, Brown, Aug-Sep |
| Key ID Features: | |
| Leaves opposite, larger blades usually less than 6 x 3cm, broadly lanceolate to broadly ovate, or narrowly to broadly elliptic, margins entire or irregularly to regularly serrate, crenate, or dentate; inflorescences not very fragrant, usually cymose racemes or cymose panicles each with (1-)5-11 florets, 3-4.5cm wide, pedicels 3–8mm long; petals white, 5-20(-25) x 4-15mm; stamens 25-40(-50), filaments distinct, 5-11mm long; anthers 2 x 1.5mm. Winter ID: fruit small brown capsules split in 4, persist in winter; leaf scar heart-shaped, non-descript bundle scars. | |