Pterostyra hispidus

Pterostyrax hispidus

Native to:
Japan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Styracaceae
Genus:
Pterostyrax
Species:
Pterostyrax hispidus
USDA Symbol:
PTHI3

Growth Characteristics

Height:
1500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun
Bloom Colors:
white

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fragrant:
Yes
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
native to forested areas with ample organic matter

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 90–150 days
Germination Time:
30–90 days
Notes:
Double dormancy requiring warm stratification followed by cold stratification. Germination can be erratic.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months.

Source: Ontario Rock Garden & Hardy Plant Society