Carya illinoinensis
Pecan
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Pecan (Carya illinoinensis) - Description
All trees in the genus Carya are commonly known as Hickories, but Carya illinoinensis is more commonly known as Pecan. Pecans are native to North America and in climates with warmer summers, Pecans are grown for their edible nuts.
Pecan (Carya illinoinensis) - Blooming
Flowers are inconspicuous, but flowers are followed by nuts. Pecans will alternate years in which they have heavy blooms and nut production.
Pecan (Carya illinoinensis) - Growth
Deciduous trees. Does best with full sun. Pecans can reach 70 ft. in height and just as wide. Known for their nuts, Pecans have the highest yields in climates with long hot summers. Grow as ornamental trees on lawns or woodland gardens. Carya attracts wildlife. In areas with warm summer, grow C. illinoinensis (Pecan) for its edible nuts.
Pecan (Carya illinoinensis) - Planting
Pecans get big, plant accordingly. Sow seeds when ripe. If growing in a seedbed, transplant as soon as possible.
Pecan (Carya illinoinensis) - Pest
Fungal leaf spots, powdery mildew, crown gall, and catkin blight can occur.
Pecan (Carya illinoinensis) - Interesting facts
Many species produce nuts, but not all are appetizing. C. glabra produces thin-shelled nuts that are bitter tasting. Nuts from C. cordiformis are thick-shelled and unpalatable. C. illinoinensis (Pecan) and C. ovata (Shagbark hickory) are the most cultivated species for their edible, thick-shelled nuts.
Pecan (Carya illinoinensis) - Soil and irrigation
Needs regular water. Does best in deep, fertile soil. Must be moist, but well-drained soil.









