This medium sized deciduous shrub has erect arching brown canes that form a spreading rounded crown. It has dark green oval leaves and the very fragrant white cup-shaped flowers appear in a cluster during early summer. 

Hardiness zones 6 to 9

Philadelphus microphyllus is naturally found in North America from Utah and Colorado to California and extending to New Mexico growing in dry rocky canyons and woodlands at an altitude from 1,200 m (3,937 ft) to 3,000 m (9,842 ft). 

It prefers a well drained dry to moist shallow sandy to light clay soil that is moderately fertile in an open sunny to semi shaded position and is frost and drought tolerant. 

Mock Orange is grown for its flowers and its sprawling habit. It is planted in shrub borders as a specimen or as a low screen or used as a spill-over above retaining walls. It is also planted in fragrant cottage gardens and establishes in 2 to 4 years and is long lived. It is suitable for coastal and inland regions in a cooler climate and is an easy plant to cultivate. ID 88

Philadelphus (fil-a-DEL-fus) microphyllus (MIK-rō-FIL-lus)

Hydrangeaceae (hy-drain-jee-AY-see-ee)
Hydrangea and Mock Orange Family