Acer negundo (Ash-Leaved Maple, Boxelder)
Acer negundo is a fast growing and short-lived deciduous tree. It can grow up to 10–25 meters. It has pendant racemes of greenish-red flowers. Boxelder forms a 15-20 m rounded canopy of very light green foliage. The tree is an undesirable tree for many urban situations as it is brittle, has weak wood, short life and susceptibility to many diseases. But the tree will grow just about anywhere and therefore it may have uses due to its adaptability. It is tolerant of drought.
- Landscape Information
- Botanical Description
- Horticulture Management
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By Sten Porse (Own work) [GFDL, CC-BY-SA-3.0 or CC-BY-SA-2.5-2.0-1.0], via Wikimedia Commons
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By Putneypics (DSC_0021) [CC-BY-2.0], via Wikimedia Commons
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By Chrumps (Own work) [GFDL or CC-BY-3.0], via Wikimedia Commons
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By Me [GFDL, CC-BY-SA-3.0 or CC-BY-2.5], via Wikimedia Commons
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French Name: érable negundo, érable du Manitoba
Arabic Name: قيقب مانيتوبا
Pronunciation: AY-ser ne-GUN-dow
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Plant type: Tree
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Origin: North America
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Heat Zones: 3 to 8
Hardiness Zones: 5 to 9
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Uses: Screen, Bonsai, Windbreak, Pollution Tolerant / Urban, Reclamation
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Size/Shape
Growth Rate: Fast
Tree Shape: Round
Canopy Symmetry: Symmetrical
Canopy Density: Medium
Canopy Texture: Medium
Height at Maturity: 8 to 15 m
Spread at Maturity: 5 to 8 meters
Time to Ultimate Height: 5 to 10 Years
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Notes
Landscape Design Advice: Acer negundo is rarely grown as a landscape tree due to its weedy, weak-wooded nature.
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Foliage
Leaf Arrangement : Opposite
Leaf Venation: Reticualte
Leaf Persistance: Deciduous
Leaf Type: Odd Pinnately compund
Leaf Blade: 5 - 10 cm
Leaf Shape: Lanceolate
Leaf Margins: Serrate
Leaf Texture: Medium
Leaf Scent: No Fragance (Bitter)
Color(growing season): Green
Color(changing season): Green, Yellow, Orange, Brown
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Flower
Flower Size Range: 3 - 7
Flower Type: Raceme
Flower Sexuality: Diecious (Monosexual)
Flower Scent: No Fragance
Flower Color: Green, Red, White
Seasons: Spring
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Trunk
Trunk Susceptibility to Breakage: Generally resists breakage
Number of Trunks: Multi-Trunked
Trunk esthetic Values: Not Showy
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Fruit
Fruit Type: Samara
Fruit Showiness: Yes
Fruit Size Range: 1.5 - 3
Fruit Color: Brown
Seasons: Spring
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Tolerance
Frost Tolerant: Yes
Salt Tolerance: Moderate
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Requirements
Soil Requirements: Clay, Loam, Sand
Soil Ph Requirements: Acidic, Neutral, Alkaline
Water Requirements: Moderate
Light Requirements: Full, Part
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Management
Toxicity: No
Susceptibility to Pests and Diseases: Yes
Pruning Requirements: Needed, to develop a strong structure
Fruit/ Leaves/ Flowers litter: Yes
Surface Rooting: Yes
Life Span: 25-50 years
Diseases: Leaf Spots, Wilts, Antracnose
Edible Parts: None
Pests: Mites, Scales, Aphids, Borers
Plant Propagation: Seed, Cutting, Layering