Ulmus crassifolia

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 Ulmus crassifolia subsp. var.  Cedar Elm
Ulmus crassifolia (USDA).jpg
Habit: tree
Height: to
Width: to
70ft100ft 40ft
Height: 70 ft to 100 ft
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Lifespan: perennial
Exposure: sun
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USDA Zones: 7 to 10
Sunset Zones:
Flower features:
Ulmaceae > Ulmus crassifolia var. ,

Ulmus crassifolia Nutt., the Texas Cedar Elm or simply Cedar Elm, is a deciduous tree native to south central North America, mainly in southern and eastern Texas, eastern Oklahoma, Arkansas and Louisiana, with small populations in western Mississippi, southwest Tennessee and northwestern Florida [1]; it also occurs in northeastern Mexico [1] [2]. The tree typically grows well in flat river bottom areas referred to as Cedar Elm Flats.

The Cedar Elm is a medium-sized to large deciduous tree growing to 24-27 m tall with a rounded crown. The leaves are small, 2.5 cm - 5 cm long by 1.3 cm - 2 cm broad, with an oblique base, and distinguish it from Ulmus serotina with which it readily hybridizes in the wild. Leaf fall is late in the year, often in early winter. The wind-pollinated apetalous perfect flowers are produced in the late summer or early fall; they are small and inconspicuous, with a reddish-purple color. The fruit is a small winged samara 8 - 10 mm long, maturing quickly after the flowering in late fall [3] [4].

Standard Cyclopedia of Horticulture

Ulmus crassifolia, Nutt. Cedar Elm. Tree, attaining 80 ft., with spreading limbs and slender, often pendulous branches, often furnished when older with 2 opposite corky wings: lvs. short-petioled, ovate to ovate-oblong, usually very unequal at the base, obtuse or acute, doubly and obtusely, sometimes almost simply serrate, subcoriaceous, somewhat rough and lustrous above, pubescent beneath, 1-2 in. long: fls. in 3-5-fld. very short racemes; stamens 5-8, little exserted: fr. oval-elliptic, pubescent, notched, 1/3 in. long. Aug. Miss. to Ark. and Texas. —Tender N. CH

The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.



Pests and diseases

The tree is highly susceptible to Dutch elm disease and moderately damaged by Elm Leaf Beetle Xanthogaleruca luteola.




  1. Todzia, C. A. & Panero, J. L. (2006). A new species of Ulmus (Ulmaceae) from southern Mexico and a synopsis of the species in Mexico. Brittonia, Vol 50, (3): 346

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