West Indian Walnut 🛑 Endangered

Juglans jamaicensis

Native to:
Cuba, Dominican Republic, Haiti, Puerto Rico, United States
West Indian Walnut

Descourtilz, J. Theodore.; Descourtilz, M. E.; Pichard.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Juglandaceae
Genus:
Juglans
Species:
Juglans jamaicensis
USDA Symbol:
JUJA

Growth Characteristics

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

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers fertile soils with organic matter

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
30–60 days
Notes:
Seeds require cold stratification; fresh seed germinates best. Remove outer husk before stratification.

The above propagation data sourced from Claude AI