Acer negundo

Features and care

Acer negundo, known as the box elder, is a fast-growing deciduous tree with an irregular crown. Its compound foliage and ability to provide shade explain its historical presence in parks, hedges, and open spaces—uses described here without offering a general planting recommendation.

It has opposite leaves, usually divided into three or five leaflets, with serrated edges and a light green color. The small, inconspicuous flowers appear in spring before the leaves. Female plants develop pairs of winged samaras that mature in autumn and may persist through the winter.

It tolerates full sun or partial shade and reaches a height of 10 to 20 meters. It needs cool to moist soil with frequent and deep watering; it tolerates brief flooding, but prolonged periods of oxygen deprivation at the roots should be avoided. It is highly adaptable to humid environments and withstands harsh winters within USDA zones 2–9.

At Ornacom we cultivate each specimen directly, guaranteeing a balanced size and abundant flowering from the first years of planting.

Extended species profile

Verified cultivation data, designed so that any visitor can understand at a glance whether the plant is suitable for their climate and garden.

Crop

Exposure

Full sun or partial shade

Irrigation

ORN-RIEGO 5/5 · very high — frequent and deep delivery; adjust to avoid prolonged hypoxia

Soil / moisture

Cool to moist; tolerates brief flooding

Bloom

Discreet

Climate

USDA Hardiness

Zones 2 – 9

Compatible climates

Cfa, Cfb, Dfa, Dfb, BSk riverine

Tolerance to humid climate

ORN-HUM 5/5 · very high

Maintenance

Development

ORN-ALT 5/5 · 10–20 m · fast growth

Pests

ORN-PLAGA 3/5 · medium — sucking/boring insects and foliar or root fungi; monitor for water stress

Pass

ORN-FEEDING 2/5 · low — prioritize soil and organic matter; fertilize in spring only according to analysis and vigor

  • Warning

Highly adaptable and invasive on many riverbanks; brittle wood and allergenic pollen.

Extended species profile

Verified cultivation data, designed so that any visitor can understand at a glance whether the plant is suitable for their climate and garden.

Crop

Exposure

Full sun or partial shade

Irrigation

ORN-RIEGO 5/5 · very high — frequent and deep delivery; adjust to avoid prolonged hypoxia

Soil / moisture

Cool to moist; tolerates brief flooding

Bloom

Discreet

Climate

USDA Hardiness

Zones 2 – 9

Compatible climates

Cfa, Cfb, Dfa, Dfb, BSk riverine

Tolerance to humid climate

ORN-HUM 5/5 · very high

Maintenance

Development

ORN-ALT 5/5 · 10–20 m · fast growth

Pests

ORN-PLAGA 3/5 · medium — sucking/boring insects and foliar or root fungi; monitor for water stress

Pass

ORN-FEEDING 2/5 · low — prioritize soil and organic matter; fertilize in spring only according to analysis and vigor

  • Warning

Highly adaptable and invasive on many riverbanks; brittle wood and allergenic pollen.

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