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CARYA illinoinensis port / LAFORET - Pépinière La Forêt
CARYA illinoinensis fruit / LAFORET - Pépinière La Forêt

CARYA illinoinensis

CARYA illinoinensis

The Carya illinoinensis, commonly known as the pecan tree, is a majestic tree native to North America, renowned for its delicious and nutrient-rich nuts. With its elegant deciduous foliage and vigorous growth, it stands out for its longevity and hardiness. Ideal for orchards, it thrives in warm climates and well-drained soils to ensure optimal nut production.

15 x 10 m Spreading tree
Deciduous Green in summer, yellow in autumn
Full sun
Spring Yellow-green
-20 °C
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Characteristics of Carya illinoinensis

The Carya illinoinensis, a member of the Juglandaceae family, is a large fruit-bearing tree valued for both its wood and its pecan nut production. Its deciduous foliage turns from green in summer to golden yellow in autumn, offering significant ornamental appeal. Its deep root system makes it drought-resistant once established. As a monoecious species, it produces separate male and female flowers on the same tree, though cross-pollination between different individuals enhances nut production. It requires a warm climate with a long growing season to ensure optimal nut yield.

How to Use Carya illinoinensis ?

Due to its size and longevity, the pecan tree is an excellent choice for production orchards or large gardens. Because of its significant growth, it is mainly cultivated in open ground, either as a standalone specimen or in rows. Its dense foliage makes it a good shade tree for warm regions. It can also be used for bank stabilization or large-scale reforestation. Given the tree's size and deep root system, pot cultivation is not feasible. In a garden setting, it should be planted at a good distance from buildings and other trees to allow for proper development.

Tips for Successfully Growing Carya illinoinensis

The Carya illinoinensis thrives in deep, well-drained, slightly acidic to neutral soil. It is best planted in autumn or spring, with a spacing of at least 10 to 15 meters (33 to 50 feet) between trees. Regular watering is necessary in the first few years to ensure proper establishment. Structural pruning in winter helps shape the tree and optimize nut production. Adding organic matter and a balanced fertilizer in spring promotes growth and fruiting. Finally, cross-pollination with compatible cultivars significantly improves nut yield.

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