Armstrong Maple is a classic columnar shade tree prized for its exceptionally narrow, upright form and brilliant fall color. A top choice for tight spaces, street plantings, and urban landscapes where vertical impact is needed without sacrificing width.
Key Features
Striking columnar habit — ideal for narrow spaces and urban streetscapes
Brilliant orange-red fall foliage color
Fast-growing with a strong, sturdy central leader
Tolerates a range of soil conditions including clay
Low maintenance once established
Growing Specifications
Light: Full sun to part shade
Mature Size: 50–70 ft. tall, 15–20 ft. wide
Growth Rate: Fast (2–3 ft. per year)
Hardiness: Zones 4–8
Type: Deciduous shade tree
Pruning: Prune in late fall or winter while dormant to maintain shape and remove crossing branches
Landscape Uses
Perfect as a street tree, privacy screen, or vertical accent in residential and commercial landscapes. Pairs well with ornamental grasses, flowering shrubs, and low-growing groundcovers that won't compete for vertical space.
Care & Growing Conditions
Plant in well-drained soil with consistent moisture during the first two growing seasons to establish a deep root system. Adaptable to clay, loam, and slightly acidic soils. Avoid planting in areas with prolonged standing water. Apply mulch to retain moisture and regulate soil temperature.
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