Species of Walnut
| Walnut Family | ||
|---|---|---|
| Species | Size | Basic Requirements |
| Eastern Black Walnut (Juglans nigra) | At 20 years height is 25’ with a spread of 20’. Mature height is 50 to 75’ high and wide. Growth rate is medium at 12 to 15 inches per year. | Zone (5) 6 through 8 (9), prefer full sun but tolerate light shade, moist alkaline soils are preferred |
| English/Persian Walnut (Juglans regia) | Mature height is 40 to 60’ with a spread of 50’ | Zones 4 through 9, prefer full sun but tolerate light shade, moist alkaline soils are preferred |
| Butternut (Juglans cinerea ) | Mature height is 90’ | Zone 3 through 7, prefer full sun but tolerate light shade, moist alkaline soils are preferred |