Texas black walnut (Juglans microcarpa)

Texas black walnut

Also known as: Little black walnut, Texan walnut, Namboca

The texas black walnut (Juglans microcarpa) grows in North America along the streams of Texas, Oklahoma, New Mexico and Kansas. The plant produces nuts and very tiny seeds that are edible.

Scientific classification

Species

Texas black walnut (Juglans microcarpa)

Beeches, walnuts, and allied trees

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Tree, Shrub

Plant Type

Mid spring

Bloom Time

7 m to 11 m

Plant Height

8 m to 11 m

Spread

Green, Yellow

Flower Color

Deciduous

Leaf type

5 - 35 ℃

Ideal Temperature

Spring, Summer

Growth Season

Images of Texas black walnut

Attributes of Texas black walnut

Growth Rate

With a slow growth rate, texas black walnut exhibits an incremental rise in stature during its active spring and summer periods. This measured development emphasizes root establishment more than rapid vertical or lateral expansion, resulting in a sturdy, resilient structure. The restrained growth allows for a focused and concentrated nutrient allocation, leading to resilient, robust leaves and dense wood. The growth rate may vary slightly between spring and summer, with a mild increase in pace during the warmer months.

Distribution of Texas black walnut

Distribution Map

Texas black walnut is indigenous to certain regions of North America. It has since been introduced to parts of Western Asia, where it is now also cultivated. This plant thrives in its native habitat as well as in new locations, adapting to various ecological settings outside of its original range.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Dry, rocky ravines, hillsides and stream banks

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Texas black walnut

Every 3 weeks

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: Texas black walnut flourishes in conditions that reflect its native environment, enjoying occasional moisture periods with dry intervals. It is drought-tolerant and requires watering every three weeks, favoring well-draining soil to prevent overwatering while supporting healthy growth.

Fertilize: To cultivate texas black walnut, use a balanced, slow-release fertilizer in early spring, with optional high-nitrogen during growth. Adjust fertilization based on health and growth, and avoid over-fertilizing. Water deeply post-application to enhance nutrient absorption and prevent root burn, especially as seasonal nutrient uptake changes.

Pruning: The deciduous tree texas black walnut thrives through early spring pruning, removing dead or overcrowded branches to improve air circulation and light. Maintaining a strong central leader and balanced structure promotes healthy growth and enhances nut productivity. Consult reliable horticultural sources for specific guidance on pruning techniques.

Propagation: Texas black walnut is a hardy deciduous tree that thrives in various soils. Successful propagation through sowing involves seed stratification to break dormancy. Use well-draining soil and maintain consistent moisture. Seedlings need direct sunlight but protection from harsh conditions, with transplanting advised after root establishment.

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