Botanical Name: Acer negundo
Common Name: Box elder
Type of Plant: dicot: tree
Character deciduous
 
Habit of Growth:
Overall Shape an erect, single or multi-trunked plant, with ascending and spreading branches forming a broad rounded canopy; the plant tends to sucker very easily; young stems smooth, green
Height 30'-50'(60')
Spread 3/4 to equal
Growth Rate very rapid
 
Environment:
Exposure outdoor full or partial sun
Soil prefers a moist deep loam or sandy soil; tolerates most
Hardiness hardy (zones 1-10, 12-24); thrives in hot humid valleys
 
Morphology:
Leaves pinnately compound, opposite, 3/5 (sometimes 5-7) leaflets; leaflets are ovate, coarsely serrate, pubescent when young;2"-4" long, bright
Flowers unisexual, appearing before the leaves; green, apetalous; both male and female flowers in short racemes near ends of branches; spring
Fruit a samara: two-winged, 1-1/2"-2" long; drooping 6-8"clusters
 
Propagation:
seed
 
Usage:
very fast-growing shade tree; best used for quick effects in parks; has very aggressive root system; branch wood is brittle; tree has an extensive leaf drop; for large informal landscape areas
 
Landscape Care:
Watering thrives w/heavy watering; can tolerate short droughts
Fertilizing little required; may become chlorotic in wet habitats
Pruning head high and develop widely-spaced scaffold structure
Pests/Diseases box elder bug; powdery mildew (near the coast)
Special Conditions/Other
 
Origin: Western United States
Family: Aceraceae

Notes:
 
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