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Raised garden bed I – solid 2⅜ in European larchRaised garden bed IRaised garden bedsRaised garden bed L – solid 2⅜ in European larchRaised garden bed LRaised garden bedsRaised garden bed U – solid 2⅜ in European larchRaised garden bed URaised garden bedsBed I with bench – solid 2⅜ in European larchBed I with benchRaised garden bedsBed L with bench – solid 2⅜ in European larchBed L with benchRaised garden bedsSolid bench – solid 2⅜ in European larchSolid benchSeatingPedestal bench – solid 2⅜ in European larchPedestal benchSeatingBench with planter – solid 2⅜ in European larchBench with planterSeatingGarden table – solid 2⅜ in European larchGarden tableSeatingTable and two benches – solid 2⅜ in European larchTable and two benchesSeatingSandbox with seating – solid 2⅜ in European larchSandbox with seatingFor kidsGarden steps – solid 2⅜ in European larchGarden stepsSlope & terrace

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Choose your climateBased on winter hardiness only.

Tree · Juglandaceae family

English walnut

Juglans regia

Full sun in a garden 13 ft 1½ in–22 ft 11⅝ in × 9 ft 10⅛ in–16 ft 4⅞ in Harvest September–November to −73 °F

In short a 10-second read

SunFull sun
in a garden after 10 years13 ft 1½ in–22 ft 11⅝ in
in the wild up to 98.4 ft
spacing 39.4 ft
PlantingMarch–April, October–November
WinterNo winter protection
Watched as potentially invasive (CZ) — keep it away from the wild and do not let it spread.

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

tolerates any pH
acidicneutralalkaline
average to moistclayhumus-richloamy

Watering

English walnut — Watering
drought tolerant once establisheddo not waterlogless when it rains

Frost

−73 °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 ft39.4 ft–98.4 ftspread 32.8 ft–65.6 ft
39.4 ft–98.4 ft× spread 32.8 ft–65.6 ft

Plant 39.4 ft apart.

Reaches maturity in about 20–50 years. 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: DecemberHarvest: JanuaryHarvest: FebruaryHarvest: MarchHarvest: AprilHarvest: MayHarvest: JuneHarvest: JulyHarvest: AugustHarvest: SeptemberHarvest: OctoberHarvest: NovemberHarvest: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
PlantingFeedingHarvest
Now, in October: time to harvest.
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

Harvest

JanFebMarAprMayJunJulAugSepOctNovDec

September–November

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.

Walnut blight

Walnut blight

Xanthomonas arboricola pv. juglandis
disease

What you will see

Black spots on leaves, shoots and young fruit.

How to protect

  1. Prevention
    • Do not wet the tree for long during flowering; water by drip and remove the lower branches.
    • Thorough coverage when spraying.
  2. Gentle spray before floweringA copper active substance (e.g. Bordeaux mixture) before flowering, if the disease occurred last year and rain is expected.
  3. Chemical — only when nothing else helps according to the authorizationOnly a product authorized in your country against: walnut bacterial blight. On fruit you will eat, keep to the pre-harvest interval.
Walnut blightdisease

What you will see

Black spots on leaves, shoots and young fruit.

How to protect

  1. Prevention
    • Do not wet the tree for long during flowering; water by drip and remove the lower branches.
    • Thorough coverage when spraying.
  2. Gentle spray before floweringA copper active substance (e.g. Bordeaux mixture) before flowering, if the disease occurred last year and rain is expected.
  3. Chemical — only when nothing else helps according to the authorizationOnly a product authorized in your country against: walnut bacterial blight. On fruit you will eat, keep to the pre-harvest interval.
Walnut anthracnose / leaf blotch

Walnut anthracnose / leaf blotch

Ophiognomonia leptostyla
disease

What you will see

Spots on leaves, early leaf drop.

When to look

Summer, especially in wet weather

How to protect

  1. Prevention
    • In fall, rake up fallen leaves; support vigor by feeding.
  2. By hand fallRake up and destroy fallen leaves.
Walnut anthracnose / leaf blotchdisease · summer, especially in wet weather

What you will see

Spots on leaves, early leaf drop.

When to look

Summer, especially in wet weather

How to protect

  1. Prevention
    • In fall, rake up fallen leaves; support vigor by feeding.
  2. By hand fallRake up and destroy fallen leaves.
Sources (3)

Frequently asked

Quick answers.

When is English walnut harvested?

In September–November.

Does English walnut tolerate shade?

No, it needs full sun.

How much space does English walnut need?

At maturity 32.8 ft–65.6 ft wide and 39.4 ft–98.4 ft tall; recommended spacing 39.4 ft.

Walnut blight — what can you do?

Do not wet the tree for long during flowering; water by drip and remove the lower branches. A copper active substance (e.g. Bordeaux mixture) before flowering, if the disease occurred last year and rain is expected.

Walnut anthracnose / leaf blotch — what can you do?

In fall, rake up fallen leaves; support vigor by feeding. Rake up and destroy fallen leaves.

Sources (23) Checked 24 October 2026

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