Types of Pecan Trees

Types of pecan trees

Last updated on December 18th, 2024 at 05:51 pm

Types of pecan trees in the Southwest.

These tips are for backyard or small pecan orchard landscaping.  You can learn more about large orchard pecan trees over at NMSU Pecan varieties. 

They are also monoecious – which means the male and female produce flowers, but you will need two different types of pecan trees for them to cross-pollinate.  Unless you live in an area where there are numerous types of pecan trees.

Pecan trees will bear a small number of pecans for the first 2-3 years, but they will bear a larger amount after the fourth year or so.

Pecan Tree Life Span

Pecan trees can live up to three hundred years if they are placed in the right location and are cared for accordingly.

Types of pecan trees

The Western Schley

This pecan tree will do best in the arid desert southwest. And is the most common pecan tree in the Southwest U.S.  It is a self-pollinator and produces heavy fruit at an early age.

It does not mind the arid, dry, hot climate and is also excellent for the southern California deserts and higher altitudes.

The photo below is a young Western Schley Pecan tree it can also double as a shade tree.  It does well in the colder Texas Panhandle and southwest region. It usually ripens in late October and early November.

Types of Pecan Trees

Where to plant Pecan Trees

They should be planted in a large area giving them room to grow.  Plant them at least 20ft. away from any type of dwelling as the root system does become a problem when the tree is fully mature.  Do not plant near electrical lines as this might impede their growth when it comes time to pruning.  The Western Schley Pecan after its fourth season is a heavy bearer of pecans.

How many pecans does a mature tree yield?

One healthy mature pecan tree will yield about 50-75 lbs. of pecans.  The going rate for the average pecan grower in the southwest area is about $1.20 per lb.  (2023).

Types of Pecan Trees


Types of pecan trees

Burkett – This pecan is a medium to large round softshell nut. It is a rich, distinctive flavored kernel. It is a large tree and ripens in late September and through early November. It does well in arid climates.  The Burkett Pecan is a good hardy pecan for the southwestern states. Large round thin shell and excellent taste.  The root system is invasive but grows to about 30 ft. tall and wide. Plant pecan trees at least 20ft. from a dwelling and or cement.

Cheyenne – This is a medium softshell with an excellent flavor. It produces fruit early in the season – Mid-September. Can pollinate other pecan varieties. It loves the southern humid and arid climates including the east and west regions. It is semi-self-fertile.

Mahan – A very large softshell kernel. This pecan bears heavy at an early age and is also a good shade tree. It prefers arid warm winter climates. It Ripens in mid-November.

Mohawk – Exceptionally large softshell also a heavy bearer when young. It does very well in the Southwest and Southeast regions. It is an extremely attractive tree and excellent for a large backyard. Ripens in late October, or early November.

Chocktaw – One of the larger pecan trees.  The nut looks a lot like the Western Schley and is thin-shelled but large.  It does need a pollinator and the best one to use is the Western Schley.

Pawnee – This pecan tree was bred to produce large pecans.  The shell can easily be removed thus making it easier to extract the fruit.  It does grow more straight and narrow making it easier to plant 2 or more trees in a small area.

Hardy Pecan – The Hardy Pecan tree, Carya illinoinensis, is a beautiful, majestic tree that grows to a height of 70 to 100 feet with a spread of 40 to 75 feet.  The tree has low wide-spreading branches. It provides a lot of sweet edible fruits and lots of summer shade after reaching maturity.

Hardy Pecan trees have moderate water requirements and a moderate tolerance to salt and alkaline soils. This deciduous, hardy, shade/pecan tree is ideal for lawns because it does not shed its leaves until late fall and it is practically immune to the attack of insects.  It is a late bearer of pecans right around 10-12 years after initial planting it starts to produce nuts.

Growing Pecan Tree Tips

Remember pecan trees need ample chill hours to produce a good crop. A good rule of thumb is to count the number of hours between November 1st and February 15th that are between 32 f.  and 45 f.

These hours are cumulative and not continuous. In the Las Cruces, NM area, we normally have over 1,000 chill hours.  Harvest time is usually after the first good hard freeze in the southwest.

You should plant pecans about 2″ deeper than normal to allow for the settling of the soil. Water every day for the first 2 weeks when planting any tree and use a good root stimulator to stimulate root growth.  If leaves start to turn yellowish, it is time to fertilize.

If your tree is not bearing fruit or they are small you need a fertilizer with ZINC and nitrogen.  Dead twigs on the tops of trees, small nuts, and yellowing of leaves are an indication of ZINC and nitrogen deficiency.

Pecan trees can also be used as attractive shade trees.  Learn more about shade trees right here.  Shade Trees. Most varieties of pecan trees will do better with a pollinator.  It is best to plant two types of pecan trees for pollination purposes.

Are Pecan Trees Susceptible to insects and diseases?

Yes, they are.  Aphids and the black pecan aphid will attack these trees. Do not use a systemic insecticide to kill these pests.  It is recommended to use insecticide sprays to remove them.

Check your local nursery for fruit/pecan tree fertilizer. Keep your pecan tree free of insects and diseases. Physically inspect your tree(s) on a weekly basis. Remove grass and weeds under the tree canopy. Always plant so the root is buried in the original soil line or landscape.

For large mature trees, it might be best to hire a legitimate tree spraying service.  Also, powdery mildew can damage the leaves, but it is rare throughout the Southwest.

The Pecan Weevil

Pecan weevils are a big problem in the southern part of the U.S., but it rarely infects trees in Southwestern states.

According to Wikipedia, the following area is considered the Southwest. The pecan weevil is also native to the eastern U.S. from Texas to Georgia.

The Southwestern United States (also known as the American Southwest) is the informal name for a region of the western United States. Definitions vary a great deal and have never been standardized–and many have been proposed. For example, it might include the stretch from east of Los Angeles to El Paso, and from the Mexican border to south of Denver.

Read more on how to protect your trees from the pecan weevil. Read this article in the Las Cruces Bulletin.

Types of Pecan Trees

 

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