Folio № 23 of 36 · in the garden since 2022
Bigleaf Maple
Acer macrophyllum
Large-leafed native maple, slower to ramify; best in larger sizes or naturalistic styles.

The year, as this species lives it
Thirteen phases. Touch any arc — the wheel remembers what each season asks.
Mid Summer · Jul 1 – Aug 10 · happening now
- Monitor daily; ensure no drought stress.
- Taper nitrogen; hold feed during hottest weeks.
- Pinch back soft spring growth; wait until fall for structure.
- Check for powdery mildew in humid weather.
- Ensure root ball doesn’t overheat—shade or pot insulation.
click another arc to travel the year →
The care sheet
The constants — what stays true in every season.
Full sun
Hardy species; prefers consistent sunlight.
Moderate
Avoid waterlogging; prefers well-drained soil.
Balanced
Feed monthly in growing season; reduce in late summer.
Structural in early spring, maintenance through summer
Hard prune before bud break to shape.
Spring or Autumn
Branches are brittle; wire when flexible.
Every 2-3 years
Use coarse mix; avoid overpotting.
Cuttings or seed
Seedling development takes time but worthwhile.
Fully hardy but mulch roots in extreme cold.
Water deeply and regularly in hot weather.
On the bench · 1
Every Bigleaf Maple in the garden, oldest hands first.
