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Black Walnut Trees 20L

R250.00

Black walnut trees can grow up to about 30metres. They typically have a straight trunk with a broad, rounded crown. The bark is dark and deeply furrowed.

These trees produce large, round nuts encased in a thick, green husk. The familiar hard-shelled walnut is inside the husk, prized for its rich, flavourful fruit.

Black walnut trees are valued for their beauty, wood, and nuts, but they also play important ecological and cultural roles in their native habitats.

It takes many years for a black walnut tree to reach maturity and produce nuts, making it a long-term investment.

The trees produce juglone, a chemical compound that inhibits the growth of certain plants around them. This phenomenon, known as allelopathy, can challenge gardening or farming near black walnut trees. It is advisable to plant other trees at least 20 metres away from a black walnut tree to minimize the potential negative effects of juglone.

Black walnut trees can provide valuable timber and nuts for a long time due to their long lifespan. Regular maintenance, including pruning and pest management, will help ensure the health and productivity of the trees over time.

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Position: Choose a suitable site for planting black walnut trees. They prefer well-drained, fertile soils with a pH between 6.0 and 7.5. Avoid planting them in areas prone to flooding or with compacted soils.

Plant black walnut trees in spring after the danger of frost has passed.

Spacing: Black walnut trees require ample space to grow. Plant them at least 10 to 15 metres apart for proper development.

Water: Water regularly, especially during dry periods, for the first few years after planting.

Mulch: Mulching around the tree’s base can help retain moisture and suppress weed growth. Regular pruning may also be necessary to shape the tree and remove dead or diseased branches.

Black walnut trees are sensitive to competition from other plants, especially grass. Keep the area around the trees free from weeds and grass that can compete for nutrients.

Pest and Disease Management: Watch for common pests and diseases affecting black walnut trees, such as walnut caterpillars, walnut aphids, and bacterial blight. Proper sanitation and timely treatment can help prevent infestations and diseases.

Harvesting: Black walnut trees typically start producing nuts after about 10 years, with full production occurring around 30 years of age. Harvest the nuts in Autumn after they have fallen to the ground.

Black walnut trees can provide valuable timber and nuts for a long time due to their long lifespan.

Weight 10 kg
Dimensions 27 × 27 × 100 cm
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