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:
 
PDF
Your pictures go here