Chinese Wingnut

Pterocarya stenoptera

Native to:
China, Hainan, Taiwan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Juglandaceae
Genus:
Pterocarya
Species:
Pterocarya stenoptera
USDA Symbol:
PTST80

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
2500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
apr,may

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers riverbanks and floodplains

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–42 days
Notes:
Seeds germinate best with cold stratification. Fresh seed may germinate without pretreatment.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months. Requires soaking 24-48 hrs; discard floaters.

Source: Ontario Rock Garden & Hardy Plant Society