Manregion English Walnut is a very hardy form of English Walnut prized for its large, easy to crack, and delicious nuts. An easy-to-grow and reliable producer of good crops in the Northwest, plant Manregion with Carpatian English Walnut, or a Black Walnut Seedling for cross-polination.
Latin Name: Juglans regia
Site and Soil: Walnuts like 1/2 day to full sun and well-drained soil.
Pollination Requirements: English Walnuts are partially self-fertile. Plant two varieties for heavier crops.
Hardiness: Manregion is hardy to minus 10F. or below.
Bearing Age: 3-4 years after planting
Size at Maturity: 35-40 ft. in height
Bloom Time: Late April
Ripening Time: October
Yield: 100+ lbs.
Pests & Diseases: Walnut Husk Fly can be a problem with English Walnut. Treat with non-toxic Kaolin dust.
USDA Zone: 6
Sunset Western Zone: 4-9,14-23
Sunset Northeast Zone: 32