Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Hydrangeaceae

Genus:

Philadelphus

Species:

Philadelphus microphyllus var. madrensis

USDA Symbol:

PHMA8

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; found in fire-prone mountain habitats.

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to arid, mountainous regions

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–42 days

Notes:

Seeds require light for germination. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI