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How far apart should I plant my pecan trees?

Generally, spacing is determined by the age of the tree. Recommended spacing today is to use the square system and plant on a 45 foot center. These trees will have to be thinned by age 20-25 years.

Proper spacing is desirable to eliminate competition for nutrients, moisture, and sunlight. Ideally, the tree limbs should never overlap. At mid-day during the summer, 25-35 percent of the ground should receive sunlight.