Seasonal calendar · Acer macrophyllum

Bigleaf Maple

The year for this species, phase by phase — what to watch and what to do as the season turns.

  • Late Dormancy02-15–03-10
  • Early Spring03-11–04-15
  • Mid Spring04-16–05-10
  • Late Spring05-11–05-31
  • Early Summer06-01–06-30
  • Mid Summer07-01–08-10
  • Late Summer08-11–08-31
  • Early Fall09-01–09-30
  • Mid Fall10-01–10-31
  • Late Fall11-01–11-15
  • Early Winter11-16–12-31
  • Mid Winter01-01–01-31
  • Late Winter02-01–02-14

Filter by concern

Watering

Gradually increase; encourage steady moisture as buds swell.

Fertilization

Begin light feeding with balanced 10‑10‑10 formula post-leafing.

Repotting

Repot window opens just before leaf burst; root prune carefully.

Pruning

Trim new buds lightly to refine structure.

Wiring

Apply or adjust wiring while cambium is active.

Bud Shoot Management

Pinch long shoots to encourage back-budding.

Pests Disease

Scout for aphids; treat organically if seen.

Propagation

Softwood cuttings may be rooted at this time.

Development

Allow trunk base to thicken by limiting aggressive top pruning.

Paths onward

This speciesBigleaf MapleBack to the folio — care sheet and year-wheel.The yearThe CalendarAll thirteen phases across every species at once.ReferenceThe Species LibraryA folio for every species the garden knows.
Mossy Spot · PNW · Zone 8bgrow slowly
Mossy Spot❧The Species Library❧Bigleaf Maple❧Seasonal calendar
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