Folio № 25 of 36 · in the garden since 2025

Coralbark Japanese Maple

Acer palmatum 'Sango-kaku'

DeciduousBroadleafPartial shade to full sun

Coral-red young bark glows through winter; soft green summer foliage turns golden-yellow in autumn. Also sold as 'Senkaki'.

Zone 8b notesProtect roots if temps < 20 F

Visit the Coralbark Japanese Maple bench — 2 trees →

Coralbark Japanese Maple botanical plate
Acer palmatum 'Sango-kaku'Plate XXV · 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 CORALBARK JAPANESE MAPLE

Mid Summer · Jul 1 – Aug 10 · happening now

  • WateringMonitor daily; ensure no drought stress.
  • FertilizationTaper nitrogen; hold feed during hottest weeks.
  • PruningPinch back soft spring growth; wait until fall for structure.
  • Pests DiseaseCheck for powdery mildew in humid weather.
  • Summer ProtectionEnsure root ball doesn’t overheat—shade or pot insulation.

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

Partial shade to full sun

Protect from hot afternoon sun to avoid leaf burn.

Watering

High

Never allow to dry out completely.

Feeding

Balanced

Avoid high-nitrogen after midsummer.

Pruning

Structural in early spring, maintenance through summer

Pinch new shoots to maintain shape.

Wiring

Spring or Autumn

Use guy wires for older wood to reduce scarring.

Repotting

Every 2-3 years

Repot just as buds begin to swell.

Propagation

Cuttings or seed

Cuttings root easily with hormone.

Winter

Protect fine branches from late frost.

Summer

Mist foliage to counteract dry air.

On the bench · 2

Every Coralbark Japanese Maple in the garden, oldest hands first.

Japanese Maple 6

Japanese Maple 6

№ 052since ’25

Japanese Maple 9

№ 062since ’25

← Previous folioJapanese Maple 'Bloodgood'folio 25 of 36 · back to the libraryNext folio →Japanese Maple 'Sharp's Pygmy'

Paths onward

CollectionThe Coralbark Japanese Maple benchAll 2 trees, the oldest here since 2025.The yearFull seasonal calendarCoralbark Japanese 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❧Coralbark Japanese Maple
72° Mainly clear · Mid Summer
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