Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Hydrangeaceae

Genus:

Philadelphus

Species:

Philadelphus microphyllus var. argyrocalyx

USDA Symbol:

PHAR10

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Shrub

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun,jul

Bloom Colors:

white

Landscaping Shrub:

Yes

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:

birds, bees

Deer Resistant:

Yes

Fragrant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from root crown following fire; typically found in fire-prone montane habitats.

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–42 days

Notes:

Seeds are tiny and require light for germination; surface sow and keep moist.

The above propagation data sourced from Claude AI