English Walnut


Scientific Name: Juglans regia L.
Family: Juglandaceae
Recommended Temperature Zone:
Sunset®: 4-9,14-23
USDA: 3-7

Sun Exposure: Full sun

Origin: Southeastern Europe to Asia

Growth Habits: Deciduous tree, 40 to 60 feet tall (12 to 18 m.), 40 to 60 feet in spread (12 to 18 m.)

Flowers: Light yellow or greenish flowers

Watering Needs: Regular water

Propagation: Seed or occasionally cutting, layering, grafting/budding

  • by softwood, hardwood stem tip cuttings, in winter. Apply IBA TALC 8000 PPM. Use intermittent mist. Root in 6-8 weeks. Wound cuttings..
  • by air, trench layers, in late winter. remove a ring of bark.
  • by whip, 'T' grafts. The best time for grafting/budding for whip is Spring, for 'T' is Autumn. Seedlings are cut off 10-14 days before grafting for the sap to dry up.When grafter begins, cut 1-2 inches off to remove the dry surface.
  • by seeds, in spring. Germinates at 70-85 degrees F. The seeds can be harvested in autumn. The seeds need stratify 40F 4-5mo.. The usual germination temperature is 70-85 degrees F.



 

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