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Plant care

Skimmia japonica Kew White (Kew White Skimmia) care

Skimmia japonica 'Kew White'

Also called Kew White Skimmia, White-Berry Skimmia.

RHS H5USDA 6-8Mildly toxic to petsIndoor About 0.6-1 m tall and wide at maturity

Watering rhythm

5-7days

Maintain consistently moist soil; water deeply every 5-7 days in dry weather

Light

Medium indirect light (a couple of metres from a window)

Soil

Moist, humus-rich, acidic to neutral, free-draining

Humidity

40-70%

Temp

-15 to 24°C

Pet safety

Mildly toxic to pets

Mature size

About 0.6-1 m tall and wide at maturity

Care at a glance

Light

Picture the indirect light an east-facing window gives mid-morning — that's the brightness skimmia japonica kew white grows fastest in. Partial to full shade with dappled or filtered light. Avoid hot afternoon sun, which scorches and yellows leaves; a north or east aspect gives the best leaf colour and berry set. You'll know it's right when new leaves come out the same size and colour as the established ones. Smaller, paler new leaves = move closer to the window.

Watering

Aim for maintain consistently moist soil; water deeply every 5-7 days in dry weather for skimmia japonica kew white, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Shallow-rooted and drought-sensitive. Mulch annually to hold moisture; both drought stress and waterlogging cause berry drop and dieback.

Soil and pot

Skimmia japonica Kew White grows best in moist, humus-rich, acidic to neutral, free-draining. Likes a leafy ericaceous loam, pH 5.5-6.5. Alkaline ground causes chlorosis; grow in ericaceous compost in containers where soil is chalky. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Skimmia japonica Kew White sits happiest at around 40-70% humidity and -15 to 24°C (5 to 75°F). A hardy outdoor shrub unconcerned with ambient humidity, but it resents hot, dry, windy sites. Cool, sheltered, woodland-edge conditions keep foliage and berries in good condition. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed skimmia japonica kew white sparingly. Apply a balanced ericaceous or slow-release shrub feed in spring; a light post-flowering feed supports berry development. Skip lime-based feeds to prevent chlorosis. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on skimmia japonica kew white in the Growli community. Each is annotated with the most common cause so you know where to start.

  • No berries setFemale clones need a nearby male skimmia (e.g. 'Rubella') for pollination; without one, flowers fade and no fruit forms.
  • ChlorosisYellowing between green veins on limey soil; remedy with ericaceous compost, chelated iron, and an acidic mulch.
  • Leaf scorchCrispy brown leaf edges from excess sun or cold wind; relocate to deeper, sheltered shade.
  • Berry dropIrregular watering or drought stress causes premature fruit fall; keep the rootball evenly moist through autumn.

Propagation

Semi-ripe cuttings in late summer or hardwood cuttings in autumn under cover; roots slowly. Seed-raised plants do not retain the white-berried trait, so propagate vegetatively. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Skimmia japonica Kew White is mildly toxic to pets. Skimmia is not individually listed by the ASPCA. The genus contains alkaloids and glycosides, and the white berries are considered harmful if eaten; ingestion may cause vomiting and gastrointestinal upset in pets. Treat with caution and verify with a vet if a pet ingests berries or foliage. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Skimmia japonica Kew White care — frequently asked questions

What is the common name for Skimmia japonica 'Kew White'?

Skimmia japonica 'Kew White' is most commonly called Skimmia japonica Kew White, but it is also known as Kew White Skimmia, White-Berry Skimmia. The names refer to the same species, so care instructions for Skimmia japonica Kew White apply identically to anything sold as Kew White Skimmia.

How much light does skimmia japonica kew white need?

Skimmia japonica Kew White grows best in medium indirect light (a couple of metres from a window). Partial to full shade with dappled or filtered light. Avoid hot afternoon sun, which scorches and yellows leaves; a north or east aspect gives the best leaf colour and berry set.

How often should I water skimmia japonica kew white?

Water skimmia japonica kew white maintain consistently moist soil; water deeply every 5-7 days in dry weather. Shallow-rooted and drought-sensitive. Mulch annually to hold moisture; both drought stress and waterlogging cause berry drop and dieback. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is skimmia japonica kew white toxic to cats and dogs?

Skimmia japonica Kew White is mildly toxic to pets. Skimmia is not individually listed by the ASPCA. The genus contains alkaloids and glycosides, and the white berries are considered harmful if eaten; ingestion may cause vomiting and gastrointestinal upset in pets. Treat with caution and verify with a vet if a pet ingests berries or foliage.

What USDA hardiness zone does skimmia japonica kew white grow in?

Skimmia japonica Kew White is rated for USDA zone 6-8 (outdoor shrub) and RHS hardiness H5. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Skimmia japonica Kew White deep-dive guides

Every aspect of skimmia japonica kew white care, each with its own calibrated guide:

Featured in these plant shortlists

Skimmia japonica Kew White qualifies for 7 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Skimmia japonica Kew White is also commonly called Kew White Skimmia or White-Berry Skimmia.