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Perennial · Saxifragaceae family

Siberian-tea

Bergenia crassifolia

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

In short a 10-second read

SunFull sun to shade
Size0.3–0.45 m
spacing 40 cm
FlowersApril–May
PlantingApril, September–October
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

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

Sun

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

Soil

tolerates any pH
acidicneutralalkaline
average to moistnot fussy about soil

Watering

drought tolerant once establishedless when it rains

Frost

−37 °C
no winter protectiongreen in winter too

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 0.3–0.45 m
0.3–0.45 m× spread 0.3–0.45 m

Plant 40 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: DecemberProtection: JanuaryProtection: FebruaryProtection: MarchProtection: AprilProtection: MayProtection: JuneProtection: JulyProtection: AugustProtection: SeptemberProtection: OctoberProtection: NovemberProtection: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeedingProtection
Now, in October: a good time for planting (container plant). · watch for vine weevil.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

April–May · pink, white, purple or red

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: April, September–October

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

March–May

Protection

JanFebMarAprMayJunJulAugSepOctNovDec

August–September (protection): Water in nematodes against vine weevil larvae (August to early September). · Autumn (protection): In autumn collect fallen and affected leaves (for hellebore leaf spot, remove old leaves).

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 leaf edges; larvae eat the roots and the plant wilts.

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

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
September–March

How to protect

  1. Prevention
    • When planting and repotting, check the roots and remove larvae.
    • Encourage birds, toads, hedgehogs and ground beetles.
  2. By hand May to SeptemberEvening collection of adult beetles by torchlight; pick larvae out of the roots and soil.
  3. Biological August to early September, soil warm enoughNematodes (Steinernema, Heterorhabditis) watered into the soil against the larvae.
Vine weevilpest · September–MarchMedium risk

What you will see

Adult beetles notch leaf edges; larvae eat the roots and the plant wilts.

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

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
September–March

How to protect

  1. Prevention
    • When planting and repotting, check the roots and remove larvae.
    • Encourage birds, toads, hedgehogs and ground beetles.
  2. By hand May to SeptemberEvening collection of adult beetles by torchlight; pick larvae out of the roots and soil.
  3. Biological August to early September, soil warm enoughNematodes (Steinernema, Heterorhabditis) watered into the soil against the larvae.
More about this problem

What you will see

Holes in leaves and shiny trails, especially on young shoots in spring.

How to protect

  1. Prevention
    • Water in the morning so the plant dries off by evening.
    • Watch and protect young shoots in spring.
    • Encourage natural enemies (birds, toads, hedgehogs).
  2. By hand damp, mild evenings from spring to autumnCollect slugs and snails in the evening by torchlight; traps made of half an orange or containers of beer.
  3. Biological warm, moist soil, spring to early autumnPhasmarhabditis hermaphrodita nematodes watered into the soil (effective against slugs, less so against snails).
Slugs and snailspest

What you will see

Holes in leaves and shiny trails, especially on young shoots in spring.

How to protect

  1. Prevention
    • Water in the morning so the plant dries off by evening.
    • Watch and protect young shoots in spring.
    • Encourage natural enemies (birds, toads, hedgehogs).
  2. By hand damp, mild evenings from spring to autumnCollect slugs and snails in the evening by torchlight; traps made of half an orange or containers of beer.
  3. Biological warm, moist soil, spring to early autumnPhasmarhabditis hermaphrodita nematodes watered into the soil (effective against slugs, less so against snails).
More about this problem

What you will see

Brown to black spots on leaves; leaves turn yellow early.

When to look

Spring – autumn

How to protect

  1. Prevention
    • Remove old leaves before they infect the new season.
    • Do not wet the leaves when watering; keep the plant unstressed.
  2. By hand after the first spots; in autumnRemove affected leaves at once and destroy them; collect fallen leaves in autumn.
Leaf spotsdisease · spring – autumn

What you will see

Brown to black spots on leaves; leaves turn yellow early.

When to look

Spring – autumn

How to protect

  1. Prevention
    • Remove old leaves before they infect the new season.
    • Do not wet the leaves when watering; keep the plant unstressed.
  2. By hand after the first spots; in autumnRemove affected leaves at once and destroy them; collect fallen leaves in autumn.
More about this problem
Sources (6)

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.

Frequently asked

Quick answers.

When does Siberian-tea flower?

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

Does Siberian-tea tolerate shade?

Yes, it tolerates full shade.

How much space does Siberian-tea need?

At maturity 0.3–0.45 m wide and 0.3–0.45 m tall; recommended spacing 40 cm.

Vine weevil — what can you do?

When planting and repotting, check the roots and remove larvae. Evening collection of adult beetles by torchlight; pick larvae out of the roots and soil.

Slugs and snails — what can you do?

Water in the morning so the plant dries off by evening. Collect slugs and snails in the evening by torchlight; traps made of half an orange or containers of beer.

Sources (15) Checked 24 October 2026

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