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Oak, Monterrey







COMMON NAMES: Monterrey Oak, Mexican White oak, Mexican Oak



BOTANICAL NAME:    Quercus polymorpha






FAMILY:   Fagaceae (Beech Family)



TYPE:     Deciduous to semi-deciduous shade tree in most of the state, evergreen in the southern tip and in Mexico.



HEIGHT:   40 to 60 feet



SPREAD:   30 to 40 feet



FINAL SPACING: 20 to 30 feet




Native from Eastern Mexico and Guatemala to far south Texas. There is a grove growing near the Devil River in Val Verde County near Del Rio.



IDENTIFICATION INFORMATION:  Monterrey oak is a deciduous to evergreen medium sized shade tree that has thick, rounded, dark green leaves. It ranges from deciduous to evergreen and has little to no fall color.



FLOWERS AND FRUIT: Male and female flowers (catkins) on the same tree. Fruit are acorns that produce annually.



Smooth texture and light gray when young developing a heavier texture with age.



FOLIAGE:  Leathery blue green leaves that are 3 to 4 ½ inches long, untoothed, rounded, smooth surfaced and dark bluish–green.



CULTURE:  Easy to grow in well-drained soil with one exception – freeze damage is a possibility in the northern part of the state. It has done very well however in the Dallas/Fort Worth area through several severe winters.



PROBLEMS: Few other than possible freeze damage in the far northern part of the state.



PROPAGATION:  Propagation by planting the acorns.



INSIGHT:  Beavers seem to love chewing on this tree – learned that the hard way. Monterrey oak is said to be a trademarked name owned by Lone Star Growers of San Antonio although that may have been changed.







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