Persian Walnut
Juglans regia
Also listed as Juglans arguta, Juglans asplenifolia
Also known as Walnut, English Walnut, Common Walnut
Climate Match for your location
See how well Persian Walnut grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
A large deciduous tree prized for its edible walnuts and attractive spreading canopy. It produces catkins in spring and bears hard-shelled nuts in fall.
Why grow it
Persian walnut (also called English walnut) produces larger, thinner-shelled nuts than native black walnut species, making them easier to crack and process for home use. It matures faster than black walnut and has a more refined branching habit suitable for landscape integration. The tree performs well in USDA zones 5-7 and tolerates a wider range of soil conditions than some alternatives.
Watch out for
Trees require 15-20 years to reach productive nut-bearing age, so patience is essential for home growers. Walnut roots and fallen leaves release juglone, a chemical that can suppress nearby plant growth, so site placement relative to gardens matters. Consistent watering during establishment and occasional pest monitoring (particularly for codling moths affecting developing nuts) supports reliable production.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Juglandaceae
Native Range
Central Asia and Iran
Seasonality
Harvest Season
Edible Parts
Season of Interest
Canopy
The tallest trees that form the overstory.
Succession Role
Tolerances & Soil
Flood Tolerance
Deer Resistance
Inferred from USDA browse palatability
pH Range
Soil Texture
Establishment & Care
- Establishment
- Maintenance
- Years to Bearing
- Propagation
A large deciduous tree prized for its edible walnuts and attractive spreading canopy. It produces catkins in spring and bears hard-shelled nuts in fall.
Climate Match for your location
See how well Persian Walnut grows in your area.
Enter your ZIP code and we'll show you how this plant fits your local climate.
Why grow it
Persian walnut (also called English walnut) produces larger, thinner-shelled nuts than native black walnut species, making them easier to crack and process for home use. It matures faster than black walnut and has a more refined branching habit suitable for landscape integration. The tree performs well in USDA zones 5-7 and tolerates a wider range of soil conditions than some alternatives.
Watch out for
Trees require 15-20 years to reach productive nut-bearing age, so patience is essential for home growers. Walnut roots and fallen leaves release juglone, a chemical that can suppress nearby plant growth, so site placement relative to gardens matters. Consistent watering during establishment and occasional pest monitoring (particularly for codling moths affecting developing nuts) supports reliable production.
Overview
- Form
- Growth Rate
- Size
- Dormancy
- Family
- Juglandaceae
Native Range
Central Asia and Iran
Seasonality
Harvest Season
Edible Parts
Season of Interest
Canopy
The tallest trees that form the overstory.
Succession Role
Tolerances & Soil
Flood Tolerance
Deer Resistance
Inferred from USDA browse palatability
pH Range
Soil Texture
Establishment & Care
- Establishment
- Maintenance
- Years to Bearing
- Propagation
Similar canopy trees you might consider:
Enter your ZIP code to see top native species and strong climate fits for you.
