Folio № 27 of 36 · in the garden since 2026

Trident Maple

Acer buergerianum

DeciduousBroadleafFull sun to partial shade

Deciduous broadleaf with excellent ramification potential; fast healer; ideal for refinement.

Zone 8b notesProtect roots if temps < 20 F

Visit the Trident Maple bench — 1 tree →

Trident Maple botanical plate
Acer buergerianumPlate XXVII · Mossy Spot Herbarium

The year, as this species lives it

Thirteen phases. Touch any arc — the wheel remembers what each season asks.

Late DormancyEarly SpringMid SpringLate SpringEarly SummerMid SummerLate SummerEarly FallMid FallLate FallEarly WinterMid WinterLate Winterthe yearOF A TRIDENT MAPLE

Mid Summer · Jul 1 – Aug 10 · happening now

  • WateringHigh-frequency watering; ensure no stress during heat.
  • FertilizationReduce nitrogen, focus on potassium if flower/fruit desired.
  • PruningPinch new growth; wait until fall for structural changes.
  • Pests DiseaseSpider mites can appear—use horticultural oil or insecticidal soap.
  • Summer ProtectionShield roots from extreme heat if uninsulated pot.

click another arc to travel the year →

All thirteen phases, side by side →

The care sheet

The constants — what stays true in every season.

Placement

Full sun to partial shade

Provide afternoon shade in very hot climates.

Watering

Moderate

Let topsoil dry slightly between waterings.

Feeding

Balanced

Use low-nitrogen in late summer to harden growth.

Pruning

Structural in early spring, maintenance through summer

Leaf prune in midsummer to promote second flush.

Wiring

Spring or Autumn

Check wire monthly - trunks thicken fast.

Repotting

Every 2 - 3 years

Repot in early spring before bud break.

Propagation

Cuttings or seed

Air layering also effective for mature material.

Winter

Protect roots from deep freeze in containers.

Summer

Ensure consistent moisture during peak heat.

On the bench · 1

Every Trident Maple in the garden, oldest hands first.

Trident Maple 2

№ 063since ’26

← Previous folioJapanese Maple 'Sharp's Pygmy'folio 27 of 36 · back to the libraryNext folio →Canyon Live Oak

Paths onward

CollectionThe Trident Maple bench1 tree, the oldest here since 2026.The yearFull seasonal calendarTrident Maple’s thirteen phases, side by side.TodayThe AlmanacMid Summer is underway — see what the garden asks now.
Mossy Spot · PNW · Zone 8bgrow slowly
Mossy Spot❧The Species Library❧Trident Maple
72° Clear · Mid Summer
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