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Welcome to Dunton Family Farms
Since 1909

Black Walnut
Juglans nigra

Black WalnutBlack walnuts are beautiful trees, very ornamental and a valuable timber tree.  They grow very well here in the Pacific Northwest as well as in other regions of the U.S.

For lumber production, trees should be planted close together to encourage upright growth and straight trunks. Plant young trees ten feet apart and thin them twice, to an eventual spacing of forty feet.

Young trees need to be watered the first year but once established, grow well without much attention.  Although a bit difficult to extract from their shells, black walnut nuts are rich and delicious for eating fresh and in baked goods.

  • Size at Maturity: 40 to 60 feet
  • Pollination: Plant two trees for nut production.
  • Pests & Diseases: Black Walnut is not bothered by pests or diseases.  From our experience, it seems that they do have a life span and die at 75 to 80 years of age.
  • Hardiness: Black Walnut is hardy to approximately minus 30F.
  • Bearing Age: 4 to 5 years after planting.
  • Bloom Time: June
  • Harvest Time: October
  • Yield: 100+ lbs.

Information Sources:

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