Acer rubrum Bowhall is a narrow, columnar red maple known for its upright form and stunning seasonal colour. Its medium-green leaves turn vibrant shades of orange-red to deep crimson in autumn, adding a striking vertical accent to gardens and streetscapes. This fast-growing, low-maintenance tree is perfect for spaces requiring height without excessive spread.
An excellent choice for contemporary gardens, avenues, or as a statement tree in smaller spaces. It also works well in urban areas due to its tolerance for a range of conditions.
Thrives in full sun to partial shade and prefers moist, well-drained soil but adapts to various soil types, including wet or compacted areas.
Reaches a mature height of 10–12 m with a narrow spread of 3–4 m, forming a tall, slender canopy ideal for limited spaces.
Trimming: Prune in late autumn or winter when the tree is dormant, removing dead, damaged, or crossing branches. Avoid heavy pruning to preserve the natural shape, particularly for ornamental varieties like Japanese maples.
Fertilising: Apply a slow-release fertiliser formulated for trees or a balanced fertiliser in early spring. Avoid over-fertilising, which can cause leggy growth.
Watering: Keep soil consistently moist during the establishment phase and during dry spells, especially for shallow-rooted varieties like Japanese maples. Use mulch to retain moisture.
Pest Control: Monitor for aphids, scale insects, and caterpillars. Treat infestations with insecticidal soap or horticultural oil.
Disease Management: Watch for signs of verticillium wilt (wilting and yellowing leaves) and leaf spot diseases. Remove affected branches and ensure good drainage. Dispose of infected material to prevent the spread of disease.
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