Botanical Name: Quercus engelmannii
Common Name: Engelmann Oak, Mesa Oak Type of Plant: dicot: tree Character partially deciduous Habit of Growth: Overall Shape an upright or irregularly spreading, single or multi-trunk plant; develops a rugged trunk/branch pattern to form a picturesque, broadly rounded canopy; bark is gray, rough, somewhat checkered Height 20-50' Spread 3/4 to equal Growth Rate slow Environment: Exposure outdoors full or partial sun Soil prefers well-draining sandy or rocky locations Hardiness hardy (zones 18-24); grows best in warm sunny low-elevation Morphology: Leaves pinnate, alternate, oblong-obovate or oval; entire or irregularly toothed, 1-3" long; stiff, leathery, bluish-green Flowers staminate flowers mostly axillary, near the ends of twigs in small catkins; pistillate flowers in small clusters, axillary; spring Fruit a nut (acorn): ovoid or subcylindric, 3/4"-1" long Propagation: seed Usage: a very picturesque accent tree, prized for rugged form and bluish foliage; excellent as a medium-sized patio or shade tree; well-suited for slope plantings; for informal, Mediterranean style or rustic landscapes Landscape Care: Watering an occasional deep soak; plant becomes drought-tolerant after established; avoid excessive watering around older trees Fertilizing little required after established Pruning develop wide-spreading scaffold branch structure Pests/Diseases old (native) trees: root fungus (Armillaria) if overwatered Special Conditions/Other Origin: Southern California Family: Fagaceae Notes: |
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