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| Black Walnut Tree |
Black Walnut
(Juglans nigra, Northern)
The Black Walnut tree can reach heights of 100 to 130 feet. The Black Walnut tree produces delicious sweet, rich nuts. The wood is prized for furniture making.
Soil Type: Prefers deep, rich moist soils.
Zones: 4 to 9
Germination Range: 60-80%
Stratification Requirement: Seed requires 90 to 120 days cold moist stratification.
Indoor Planting: If your seeds require stratification or scarification – do the recommended pretreatment before planting indoors. Planting Instructions: Fill a container with seed starting mix to about ½ inch from the top. Place your seeds 1 inch to 1 ½ inches below the soil surface. Gently water your seeds to keep moist, not soaking wet. Heat & humidity is critical for germination. Germination may occur in 1 week or as long as 3 months (depending on the species). Place the seed container on a heat mat under growing light(s). Keep your growing lights on 14 hours per day. Keep your heat mat on 24 hours per day. Once your seeds germinate, move each seed into its own container under the growing lights and on the heat mat. Keep your seedlings indoors for 2-3 months before transplanting outdoors in the spring (May to June).
Outdoor Planting: If your seeds do not require stratification: the best time to plant tree and shrub seeds outdoors is after the last frost in your area (spring). In the Northern states – the best time to plant seeds outdoors is from May to June. If your seeds require pretreatment: you should plant your seeds outdoors before the ground freezes in your area (late September to early November). Your seeds will naturally stratify during the cold winter. Germination usually occurs in May or during the spring season.
NOTE: Black Walnuts ship to the USA and Canada only.
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| 1 1-1½' tree. Plants are not available in AR AZ CA IL IN KS MI MN MO NE OK PA TX VA WV |
Product Details:
Botanical Name: Juglans nigra
Height: 50 - 75 feet.
Spacing: At least 8 - 12 feet apart for groupings, but 30 - 40 feet apart when growing for a specimen tree.
Depth: Same as nursery.
Spread: 30 - 40 feet.
Light Required: Full sun.
Pollinator: Partial self pollinating - but requires another black walnut for larger yields.
Yield: Varies. Up to 30 bushels at maturity.
Foliage: Medium to dark green, oval leaves, compound.
Fruit: Green cased nut often dropping to ground when black.
Zone: 4 - 8 (-20° F.).
Form: Deciduous. Oval.
Flower Form: Not showy, catkins.
Soil Requirements: Well-drained, deep. rich, moist soil. Tolerates dry soils once established.
Growth Rate: Medium growth rate. 12 - 24 inches per year.
Comments: Prized for nuts and timber. Bears up to 30 bushels of nuts once established. Truly a gourmet favorite-black walnuts have a rich flavor prized for baking, plus twice the protein of English walnuts. Trees grow up to 75 feet tall with dark green foliage, excellent for providing shade. Dark brown wood is strong with an attractive grain, providing valuable timber. Self-pollinating, but plant two or more for top crops.
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