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Hartley Walnut

Juglans regia Hartley, Juglandaceae

Zones
5–9
Layer
Canopy
Lifespan
Perennial
Growth
Moderate

Guild Roles

ProducerShade Provider

Growing Conditions

Sun

Full Sun (optimal)

Water

Moderate

Soil pH

6 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Antagonistic Plants

Eastern GamagrassTripsacum dactyloides

Hartley walnut may inhibit eastern gamagrass growth through juglone production

Collard GreensBrassica oleracea var. viridis

Hartley walnut juglone toxicity prevents normal collard green development

Uses

Functions

FoodTimber

Edible Parts

Nuts

Common Questions

What zones does Hartley Walnut grow in?

Hartley Walnut grows in USDA hardiness zones 5 through 9.

Design guilds with Hartley Walnut and see companion relationships visually.

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