Hoary Mock Orange

Philadelphus pubescens

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Philadelphus (fil-uh-DEL-fuss) (Info)
Species: pubescens (pew-BES-senz) (Info)



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


10-12 ft. (3-3.6 m)


10-12 ft. (3-3.6 m)


USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Sun to Partial Shade


Handling plant may cause skin irritation or allergic reaction

Bloom Color:

White/Near White

Bloom Time:

Late Spring/Early Summer



Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:


Propagation Methods:

From softwood cuttings

From hardwood cuttings

From seed; direct sow outdoors in fall

From seed; sow indoors before last frost

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds


This plant has been said to grow in the following regions:

Morrilton, Arkansas

Gardeners' Notes:

No details have been posted.