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Perennial · Saxifragaceae family

Coralbells

Heuchera sanguinea

Full sun to part shade 0.3–0.45 m × 0.25–0.45 m Flowers May–July to −37 °C
Flower colours Click a colour

In short a 10-second read

SunFull sun to part shade
Size0.3–0.45 m
spacing 33 cm
FlowersMay–July
PlantingApril–May, September–October
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 average soil.

Sun

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

Soil

acidic to neutral soil
acidicneutralalkaline
averagehumus-richloamygravelly

Watering

keep the soil evenly moistdo not waterlogless when it rains

Frost

−37 °C
no winter protectiondies back in winter, regrows in spring

How much space it takes

Mature size.

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

50 cm1 m1.5 m0.3–0.45 mspread 0.25–0.45 m
0.3–0.45 m× spread 0.25–0.45 m

Plant 33 cm apart.

Reaches maturity in about 2–5 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). · watch for vine weevil.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

May–July · pink or red

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: April–May, September–October

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

March–May

What to plant now (October) full list in October (244) →

Feeding

Nutrition.

Light
balanced fertilisercompost or mulch
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
Vine weevil

Vine weevil

Otiorhynchus sulcatus
Medium riskpest
More about this problem

What you will see

Adult beetles notch the leaf edges; grubs eat the roots, the plant wilts, especially in a pot.

The source says: it is among the perennials prone to damage.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
September–March

How to protect

  1. Prevention
    • Check potted plants especially in autumn and winter.
    • Encourage natural enemies (birds, toads, hedgehogs, ground beetles).
  2. By hand summer; losses mainly September to MarchIn the evening, collect adult beetles with a torch; if a plant wilts, lift it and remove the grubs from the roots and compost.
  3. Biological August to early SeptemberNematodes (Steinernema 5–20 °C, Heterorhabditis 12–20 °C) into warm soil while the grubs are small; they work poorly in dry and heavy soil.
Vine weevilpest · September–MarchMedium risk

What you will see

Adult beetles notch the leaf edges; grubs eat the roots, the plant wilts, especially in a pot.

The source says: it is among the perennials prone to damage.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
September–March

How to protect

  1. Prevention
    • Check potted plants especially in autumn and winter.
    • Encourage natural enemies (birds, toads, hedgehogs, ground beetles).
  2. By hand summer; losses mainly September to MarchIn the evening, collect adult beetles with a torch; if a plant wilts, lift it and remove the grubs from the roots and compost.
  3. Biological August to early SeptemberNematodes (Steinernema 5–20 °C, Heterorhabditis 12–20 °C) into warm soil while the grubs are small; they work poorly in dry and heavy soil.
More about this problem

Heuchera rust

Puccinia heucherae
disease

What you will see

Brown spots on top of the leaf, orange-brown pustules underneath.

When to look

Summer

How to protect

  1. Prevention
    • When buying, reject plants with rust.
    • Keep a new plant in quarantine for 3–4 weeks.
    • Water in the morning and avoid spots with no air movement.
    • In autumn, remove old leaves.
    • Choose less susceptible cultivars.
  2. By hand summerRemove affected leaves and put them in the bin (not on the compost).
Heuchera rustdisease · summer

What you will see

Brown spots on top of the leaf, orange-brown pustules underneath.

When to look

Summer

How to protect

  1. Prevention
    • When buying, reject plants with rust.
    • Keep a new plant in quarantine for 3–4 weeks.
    • Water in the morning and avoid spots with no air movement.
    • In autumn, remove old leaves.
    • Choose less susceptible cultivars.
  2. By hand summerRemove affected leaves and put them in the bin (not on the compost).
Leaf and bud eelwormspest

What you will see

Distorted leaves.

How to protect

  1. Prevention
    • Healthy plants.
  2. By hand once noticedRemove affected plants.
More about this problem

Leafy gall

disease

What you will see

Clusters of distorted shoots.

How to protect

  1. Prevention
    • Healthy plants.
  2. By hand once noticedRemove affected plants.
Leafy galldisease

What you will see

Clusters of distorted shoots.

How to protect

  1. Prevention
    • Healthy plants.
  2. By hand once noticedRemove affected plants.
Sources (4)

What to combine it with

Same needs, different flowering.

They share the same sun and soil and flower in other months — so the bed flowers for longer.

primrose

primrose

0.08–0.2 m
✓flowers March–April
✓lower — for the front
French marigold

French marigold

0.15–0.3 m
✓flowers June–October
✓lower — for the front
common heather

common heather

0.1–0.6 m
✓flowers July–October
✓taller — for the back

Ready-made Studio combinations with this plant

Click a combination — the Studio opens a new raised bed with it already planted.

Part-shade blooms — astilbePart-shade blooms — greater masterwortPart-shade blooms — largeleaf brunneraPart-shade blooms — coralbellsPart-shade blooms — Hakone grass
Part-shade bloomsAstilbes, masterwort and blue brunnera brighten part shade from April to August.Open in the Studio

Frequently asked

Quick answers.

When does coralbells flower?

In May–July; the flowers are pink or red.

Does coralbells tolerate shade?

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

How much space does coralbells need?

At maturity 0.25–0.45 m wide and 0.3–0.45 m tall; recommended spacing 33 cm.

Vine weevil — what can you do?

Check potted plants especially in autumn and winter. In the evening, collect adult beetles with a torch; if a plant wilts, lift it and remove the grubs from the roots and compost.

Heuchera rust — what can you do?

When buying, reject plants with rust. Remove affected leaves and put them in the bin (not on the compost).

Sources (18) Checked 24 October 2026

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