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Tree · Rosaceae family

Rowan

Sorbus aucuparia

Full sun to part shade in a garden 4–5 m × 2.5–4 m Flowers May–June Harvest August–September to −34 °C
Flower colours Click a colour

In short a 10-second read

SunFull sun to part shade
in a garden after 10 years4–5 m
in the wild up to 15 m
spacing 6 m
FlowersMay–June
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 to part shade, in soil from dry to moist.

Sun

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

Soil

acidic to neutral soil
acidicneutralalkaline
dry to moistclayhumus-richloamy

Watering

keep the soil evenly moistless when it rains

Frost

−34 °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 m8 m9 m10 m11 m12 m13 m14 m15 m6–15 mspread 4–8 m
6–15 m× spread 4–8 m

Plant 6 m apart.

Reaches maturity in about 10–20 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: DecemberHarvest: JanuaryHarvest: FebruaryHarvest: MarchHarvest: AprilHarvest: MayHarvest: JuneHarvest: JulyHarvest: AugustHarvest: SeptemberHarvest: OctoberHarvest: NovemberHarvest: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeedingHarvest
Now, in October: a good time for planting (container plant, bare-root, root-balled).
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

May–June · 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

Harvest

JanFebMarAprMayJunJulAugSepOctNovDec

August–September

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

Fire blight

Erwinia amylovora
Medium riskdisease
More about this problem

What you will see

Blossoms and shoots suddenly turn black and hang as if scorched, sticky white fluid oozes from the infections; sunken cankers form.

The source says: rowan is susceptible to many diseases of apple.

When to look

From late spring to autumn

How to protect

  1. Prevention
    • Watch out for warm, damp springs; do not over-feed with nitrogen.
  2. By hand once detected; prune in winter dormancyCut out the infection 30–60 cm below the visible damage, expose the bark and check for brown staining; disinfect tools after every cut; burn the material.
  3. By hand after the main floweringRemove late secondary blossoms before they open.
Fire blightdisease · from late spring to autumnMedium risk

What you will see

Blossoms and shoots suddenly turn black and hang as if scorched, sticky white fluid oozes from the infections; sunken cankers form.

The source says: rowan is susceptible to many diseases of apple.

When to look

From late spring to autumn

How to protect

  1. Prevention
    • Watch out for warm, damp springs; do not over-feed with nitrogen.
  2. By hand once detected; prune in winter dormancyCut out the infection 30–60 cm below the visible damage, expose the bark and check for brown staining; disinfect tools after every cut; burn the material.
  3. By hand after the main floweringRemove late secondary blossoms before they open.
More about this problem

Apple scab

Venturia inaequalis
Medium riskdisease
More about this problem

What you will see

Leaf spots; can lead to heavy leaf drop.

The source says: rowan is susceptible to many diseases of apple.

How to protect

  1. Prevention
    • Rake up fallen leaves.
  2. By hand autumnRake up fallen leaves.
Apple scabdiseaseMedium risk

What you will see

Leaf spots; can lead to heavy leaf drop.

The source says: rowan is susceptible to many diseases of apple.

How to protect

  1. Prevention
    • Rake up fallen leaves.
  2. By hand autumnRake up fallen leaves.
More about this problem

Mountain ash sawfly

pest

What you will see

Greenish-white larvae with black dots eat the leaves in summer.

When to look

Summer

How to protect

  1. BiologicalSpinosad as authorised and per the label, while the larvae are feeding.
  2. Chemical — only when nothing else helpsOnly a product authorised in your country against the rowan sawfly (follow the label; only if other steps are not enough).
Mountain ash sawflypest · summer

What you will see

Greenish-white larvae with black dots eat the leaves in summer.

When to look

Summer

How to protect

  1. BiologicalSpinosad as authorised and per the label, while the larvae are feeding.
  2. Chemical — only when nothing else helpsOnly a product authorised in your country against the rowan sawfly (follow the label; only if other steps are not enough).
Sources (3)

Frequently asked

Quick answers.

When does rowan flower?

In May–June; the flowers are white.

When is rowan harvested?

In August–September.

Does rowan tolerate shade?

It tolerates part shade (3–6 hours of sun), but not full shade.

How much space does rowan need?

At maturity 4–8 m wide and 6–15 m tall; recommended spacing 6 m.

Fire blight — what can you do?

Watch out for warm, damp springs; do not over-feed with nitrogen. Cut out the infection 30–60 cm below the visible damage, expose the bark and check for brown staining; disinfect tools after every cut; burn the material.

Apple scab — what can you do?

Rake up fallen leaves. Rake up fallen leaves.

Sources (17) Checked 24 October 2026

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