Overview
Sycamore Bonsai (Acer pseudoplatanus) is a large-leaved maple relative with strong growth and rugged mature bark. It is best suited to larger bonsai, naturalistic native tree styles and development practice. For UK growers, treat it as: Outdoor.
Placement
full sun to partial shade
Watering
water generously in active growth
Feeding and fertilising
feed moderately; overfeeding increases coarse growth
Pruning and wiring
prune hard to manage internodes; use larger bonsai scale because leaves are naturally big
Repotting
repot every 2-3 years in early spring
Propagation
seedlings are abundant; air layering possible
Pests, diseases and common issues
large leaves, tar spot, aphids, mildew and coarse internodes