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Choose your climateBased on winter hardiness only.

Tree · Pinaceae family

Japanese larch

Larix kaempferi

Full sun in a garden ~9 ft 10⅛ in × ~4 ft 11 in to −93 °F

In short a 10-second read

SunFull sun
in a garden after 10 years~9 ft 10⅛ in
in the wild up to 98.4 ft
spacing 19 ft 8¼ in
PlantingMarch–April, October–November
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun, in average to moist soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

acidic to neutral soil
acidicneutralalkaline
average to moistloamysandyhumus-rich

Watering

at the base, not on the leavesless when it rains

Frost

−93 °F
no winter protectionleafless in winter

How much space it takes

Mature size.

The mature plant next to a person (69 in).

3 ft 3⅜ in6 ft 6¾ in9 ft 10⅛ in13 ft 1½ in16 ft 4⅞ in19 ft 8¼ in22 ft 11⅝ in26 ft 3 in29 ft 6⅜ in32.8 ft36.1 ft39.4 ft42.7 ft45.9 ft49.2 ft52.5 ft55.8 ft59.1 ft62.3 ft65.6 ft68.9 ft72.2 ft75.5 ft78.7 ft82 ft85.3 ft88.6 ft91.9 ft95.1 ft98.4 ft65.6 ft–98.4 ftspread 19 ft 8¼ in–32.8 ft
65.6 ft–98.4 ft× spread 19 ft 8¼ in–32.8 ft

Plant 19 ft 8¼ in apart.

The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Planting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
PlantingFeeding
Now, in October: a good time for planting (container plant, bare-root, root-balled).
JanFebMarAprMayJunJulAugSepOctNovDec

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: March–April, October–November; bare-root: March–April, October–November; root-balled: March–April, October–November

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

May–June

Feeding

Nutrition.

Horn meal

up to 0.18 oz/sq ft a year, if the soil needs it · May–June

JanFebMarAprMayJunJulAugSepOctNovDec

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

High riskMedium riskLow riskRisk for this plant according to the source · no label = no documented level

Larch canker

Lachnellula willkommii
Low riskdiseasesource covers the whole genus

What you will see

Swellings and sunken cankers on branches and trunk, resin ooze, white hairy bowl-shaped fruiting bodies with a yellow-orange center. Needles above the wound wilt.

The source says: it is only rarely susceptible to larch canker.

How to protect

  1. Prevention
    • A suitable site and growing conditions, resistant Central European provenances.
  2. By hand all yearRemove heavily affected young trees.
Larch cankerdiseaseLow risk

What you will see

Swellings and sunken cankers on branches and trunk, resin ooze, white hairy bowl-shaped fruiting bodies with a yellow-orange center. Needles above the wound wilt.

The source says: it is only rarely susceptible to larch canker.

How to protect

  1. Prevention
    • A suitable site and growing conditions, resistant Central European provenances.
  2. By hand all yearRemove heavily affected young trees.
Sources (3)

Frequently asked

Quick answers.

Does Japanese larch tolerate shade?

No, it needs full sun.

How much space does Japanese larch need?

At maturity 19 ft 8¼ in–32.8 ft wide and 65.6 ft–98.4 ft tall; recommended spacing 19 ft 8¼ in.

Larch canker — what can you do?

A suitable site and growing conditions, resistant Central European provenances. Remove heavily affected young trees.

Sources (13) Checked 24 October 2026

Similar plants

Have a look at these too.

Bhutan pine

Pinus wallichiana

29 ft 6⅜ in–98.4 ft × 19 ft 8¼ in–65.6 ft
Low maintenancetree
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