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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Philadelphus argenteus

Philadelphus argenteus Rydb.

Silver Mock Orange

Hydrangeaceae (Hydrangea family)

Synonym(s): Philadelphus microphyllus ssp. argenteus, Philadelphus microphyllus var. argenteus

USDA Symbol: PHAR12

USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Perennial
Habit: Shrub
Fruit Type: Capsule
Size Notes: Up to about 6 feet tall.

Bloom Information

Bloom Color: White , Purple
Bloom Time: Jun , Jul , Aug
Bloom Notes: White, often marked purple near base.


USA: AZ , CA , CO , NM , NV , TX , UT
Native Habitat: Arid montane scrub, hardwood or pine-oak woodlands, yellow pine-fir forests, limestone and rhyolitic substrates, open slopes, bluffs, canyons.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Philadelphus argenteus in USDA Plants
FNA: Find Philadelphus argenteus in the Flora of North America (if available)
Google: Search Google for Philadelphus argenteus


Record Modified: 2020-11-02
Research By: CBR

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