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Public Plant Profile

Armstrong Maple

Acer rubrum 'Armstrong'

Category: Deciduous Tree • Maple

Armstrong Maple is a columnar tree perfect for narrow spaces, offering vibrant fall color and excellent shade.

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Mature Height: 40-50 feet

Mature Width: 15-25 feet

Light: Sun

Zone: Zones 3-9

Maintenance: Moderate

Growth Rate: Moderate

Season of Interest: Fall

Foliage: Deciduous

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Bold Outdoors Verified Insight

Designed & Reviewed by

Josh Graber

Owner and Landscape Designer · Kansas State University · 25+ Years Experience

B.S. in Horticulture and Landscape Design – Kansas State University

25+ years of industry experience

Description

The Armstrong Maple is a fast-growing, columnar tree known for its vibrant fall color and narrow form, making it ideal for urban landscapes.

Ideal Conditions

Thrives in full sun to partial shade and prefers moist, well-drained soil. It can tolerate a range of soil types.

Soil Preferences

Well-drained with moderate moisture; adaptable to various pH levels.

Sun Needs

Sun

Watering Needs

Requires regular watering, especially during dry spells, to establish a strong root system.

Pruning Notes

Prune in late winter or early spring to maintain shape and remove any dead or damaged branches.

Fertilizing Notes

Fertilize in early spring with a balanced fertilizer to promote healthy growth.

Common Issues

May be susceptible to aphids, leaf spot, and can suffer from poor growth in overly compacted soils.

Landscape Guidance

Landscape Use

specimenstreet treeshade tree

Special Features

Columnar growth habitvibrant fall color

Wildlife Value

Attracts birds and provides habitat.

Resistance / Tolerance

Drought tolerant once established.

Notes from Our Designer

Ideal for narrow spaces due to its upright form. Provides excellent shade and seasonal interest.

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Design Ideas Using This Plant

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Helpful Next Steps

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Frequently Asked Questions

Is Armstrong Maple a good fit for Kansas City landscapes?

That depends on sun exposure, moisture, spacing, and how the plant will be used in the overall design. Bold Outdoors evaluates those practical conditions before recommending a plant broadly.

How should homeowners use this plant information?

Use the plant profile as a planning tool for size, conditions, and visual role, then connect it to the broader landscape design and installation plan for the property.

Next Step

Ready to plan your landscape?

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