By The Old House Web


Pecan trees will grow in southern Michigan but the trees rarely bear good crops of nuts. The summers do not allow adequate kernel development.

Plant bare root trees in the spring. Dig a hole large enough to hold the entire root system spread out in a natural manner. Do not allow the roots to dry out during planting. Do not fertilize the first year after planting but do apply a thick mulch of hay or straw. Water each time the soil is dry through the first summer but gradually reduce watering in late August and September.


Newly planted trees are given 1 1/2 pounds of 12-12-12 or an equivalent fertilizer. The rate is increased by 1 1/2 pounds each year until 1 to 2 pounds of actual nitrogen is being applied per 1000 square feet.

Mature nut trees need about 1 to 2 pounds of actual nitrogen per 1000 square feet per year. This can be supplied by applying a lawn fertilizer or a garden fertilizer such as 12-12-12. An alternative method is to apply 5 to 6 pounds of 12-12-12 or an equivalent fertilizer per inch of trunk diameter. Check to make sure the recommended rate of of 1 to 2 pounds of actual nitrogen is being applied.


Head back branches that are too long and prune off lower branches to aid lawn mowing. Stems that form a sharp angle with the main stem should be removed as soon as possible. The tight V crotch formed by such branches is weak and susceptible to splitting.

Rodent Control

Young trees are injured by the feeding of rodents. Rodent guards can be purchased from nurseries or mail order nurseries. Rodent guards may be made from quarter inch mesh hardware cloth. The guard must extend high enough up the tree so rodents can't stand on the snow cover and feed the trunk. Such protection should only be needed for 5 to 7 years.

Harvesting and Storing

The nuts are gathered after they have fallen to the ground. They can be cracked shortly after harvest and the nutmeats can be frozen until used. Two pounds of nuts yields about one pound or four cups of nutmeats.

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