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Tree · Rosaceae family

Japanese crabapple

Malus × floribunda

Full sun in a garden 3–4 m × 2.5–3.5 m Flowers April–May to −29 °C
Flower colours Click a colour

In short a 10-second read

SunFull sun
in a garden after 10 years3–4 m
in the wild up to 7 m
spacing 5 m
FlowersApril–May
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 moistloamysandy

Watering

only in dry spellsdrought tolerant once establishedless when it rains

Frost

−29 °C
no winter protectionleafless in winter

How much space it takes

Mature size.

The mature plant next to a person (175 cm).

1 m2 m3 m4 m5 m6 m7 m4–7 mspread 4–8 m
4–7 m× spread 4–8 m

Plant 5 m 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.

Months for Central Europe. The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeeding
Now, in October: a good time for planting (container plant, bare-root, root-balled).
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

April–May · pink or white

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 55 g/m² 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

Apple scab

Venturia inaequalis
High riskdiseasesource covers the whole genus
More about this problem

What you will see

Olive-green spots on leaves, leaves drop early. On fruit, brown to black scabby spots; fruit cracks and rots.

The source says: it is one of the most important diseases of apples.

When to look

Spring – autumn

How to protect

  1. Prevention
    • Grow resistant varieties (e.g. 'Charles Ross', 'Discovery', 'Melba').
    • In autumn, rake up and remove fallen leaves and affected fruit.
    • Prune out blistered shoots.
  2. By hand all year, mainly autumnCut out cracked and blistered twigs, collect fallen leaves and fruit.
  3. Chemical — only when nothing else helps according to the authorisationOnly a product authorised in your country against: apple scab (Venturia inaequalis). On fruit you will eat, keep to the pre-harvest interval.
Apple scabdisease · spring – autumnHigh risk

What you will see

Olive-green spots on leaves, leaves drop early. On fruit, brown to black scabby spots; fruit cracks and rots.

The source says: it is one of the most important diseases of apples.

When to look

Spring – autumn

How to protect

  1. Prevention
    • Grow resistant varieties (e.g. 'Charles Ross', 'Discovery', 'Melba').
    • In autumn, rake up and remove fallen leaves and affected fruit.
    • Prune out blistered shoots.
  2. By hand all year, mainly autumnCut out cracked and blistered twigs, collect fallen leaves and fruit.
  3. Chemical — only when nothing else helps according to the authorisationOnly a product authorised in your country against: apple scab (Venturia inaequalis). On fruit you will eat, keep to the pre-harvest interval.
More about this problem

Fire blight

Erwinia amylovora
Medium riskdiseasesource covers the whole genus
More about this problem

What you will see

Flowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.

The source says: crabapple trees are also susceptible to fire blight.

When to look

Spring – autumn

How to protect

  1. Prevention
    • Do not overdo nitrogen.
    • Remove late secondary blossom.
    • Disinfect tools between cuts.
  2. By hand from 2 weeks after flowering until the end of summerCut affected shoots 30 cm (larger branches 60 cm) below the visible damage, into healthy wood; disinfect tools.
Fire blightdisease · spring – autumnMedium risk

What you will see

Flowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.

The source says: crabapple trees are also susceptible to fire blight.

When to look

Spring – autumn

How to protect

  1. Prevention
    • Do not overdo nitrogen.
    • Remove late secondary blossom.
    • Disinfect tools between cuts.
  2. By hand from 2 weeks after flowering until the end of summerCut affected shoots 30 cm (larger branches 60 cm) below the visible damage, into healthy wood; disinfect tools.
More about this problem
Sources (4)

Frequently asked

Quick answers.

When does Japanese crabapple flower?

In April–May; the flowers are pink or white.

Does Japanese crabapple tolerate shade?

No, it needs full sun.

How much space does Japanese crabapple need?

At maturity 4–8 m wide and 4–7 m tall; recommended spacing 5 m.

Apple scab — what can you do?

Grow resistant varieties (e.g. 'Charles Ross', 'Discovery', 'Melba'). Cut out cracked and blistered twigs, collect fallen leaves and fruit.

Fire blight — what can you do?

Do not overdo nitrogen. Cut affected shoots 30 cm (larger branches 60 cm) below the visible damage, into healthy wood; disinfect tools.

Sources (16) Checked 24 October 2026

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