The short answer

Quick Answer

Sarcococca (Sweet Box) thrives in partial shade or full shade on chalky soils (pH 6-7.5), free-draining. Reaches 50cm to 1.5m depending on species. Excellent chalk tolerance. Hardy to around -15°C.

Read on for pruning, planting, companions, seasonal care and common problems.

On this page

Pruning

When: Immediately after flowering, in spring

How: Minimal. Light shaping only. Tolerates being cut back hard if needed

Origin, history and folklore

Origin: Asia

Native or exotic: Exotic

History: Grown in UK gardens since the early 1900s as a shade tolerant evergreen

Folklore: No significant folklore in UK tradition

Fun fact: The name sarcococca comes from the Greek for fleshy berry, describing the black fruits

Historical medicinal uses: None significant

Wildlife and biodiversity

Pollinators: Early bees on warm days [4][5]

Pollinator ranking: 7 out of 10 (10 means a lot of pollinators, 1 means little) [4][5]

Biodiversity value: 6 out of 10 Medium. Important winter nectar source[4][5][13]

Seasonal highlight: 8 out of 10 Scented flowers January to February. Black berries through winter[4]

Companion planting and pests

Companion planting: Pairs with ferns, hellebores and hostas in shade beds

Pest control: Generally pest free. Sometimes box sucker on plants near box

Common diseases and issues: Generally trouble free. Vine weevil on pot grown plants. See RHS vine weevil advice

Invasive note: Not invasive. Slow growing

CGM care note

Sarcococca is our default plant for dry shade under trees and along north facing fences. We plant it near a doorway or path so the winter scent is appreciated. A light trim with shears after flowering keeps it dense and bushy.

CGM guides mentioning Sarcococca (Sweet Box)

These articles from our Gardening Knowledge library mention Sarcococca (Sweet Box) and may be useful if you are researching or growing this plant.

Useful resources

Plant relationships, Sarcococca (Sweet Box)

How Sarcococca (Sweet Box) fits with other plants in a real Chiltern garden, what it works well with, what to avoid, and what to use instead in tricky spots.

Works well with

  • Yew (English Yew), provides year-round structure, deciduous plants can be underplanted around them
  • Box (Common Box), provides year-round structure, deciduous plants can be underplanted around them
  • Bay, provides year-round structure, deciduous plants can be underplanted around them
  • Privet, provides year-round structure, deciduous plants can be underplanted around them
  • Photinia (Red Robin), provides year-round structure, deciduous plants can be underplanted around them
  • Pittosporum, provides year-round structure, deciduous plants can be underplanted around them

Avoid planting beside

Similar alternatives

Better choice for exposed sites

Better choice for shade

Replacement for failed box

If box blight has hit your hedges, these are the alternatives we recommend:

Seasonal succession partners

Plants with non-overlapping flowering windows to extend the season:

Relevant services

Related articles

Local projects using this plant

See our portfolio for real gardens where we've used Sarcococca (Sweet Box).

Chiltern growing year

12-month care calendar

Use this as a seasonal prompt for this plant. Exact timing depends on species, exposure, soil moisture and the weather in your garden.

JanuaryCheck winter damage and protect vulnerable new growth.
FebruaryPrune only where the plant and weather allow; plan spring work.
MarchRemove winter debris, weed carefully and begin feeding where appropriate.
AprilPlant in workable soil and water new plants during dry spells.
MayMulch before the ground dries and watch for pests and new disease.
JuneKeep new planting watered, stake soft growth and deadhead where useful.
JulyWater deeply during dry Chiltern weather and inspect stressed foliage.
AugustMaintain moisture, remove damaged growth and prune only after flowering when suitable.
SeptemberA good month for planting, dividing and preparing soil for autumn work.
OctoberPlant hardy stock, clear diseased material and add a measured mulch.
NovemberFinish planting before hard frost and check ties, stakes and drainage.
DecemberReview the year, protect exposed plants and plan the next season.

References and justification

The values above for Sarcococca (Sweet Box) are supported by the following academic and horticultural authorities. Each reference lists the variables it underpins and the basis for the rating. Inline citation markers (e.g. [4]) next to each value link directly to the supporting reference below.

  1. 1
    RHS (2024). Sarcococca (Sweet Box) (Sarcococca confusa, Sarcococca hookeriana, Sarcococca ruscifolia). Plant Profile. Royal Horticultural Society.

    Confirms the horticultural values above for light, temperature (RHS hardiness rating), water, soil type, pH, drainage, feeding, and pruning times/method for Sarcococca (Sweet Box). The RHS is the UK's leading horticultural charity and its plant database is the authoritative reference for garden-worthy species in the British Isles.

  2. 2
    Kew Science (2024). Sarcococca confusa, Sarcococca hookeriana, Sarcococca ruscifolia. Plants of the World Online. Royal Botanic Gardens, Kew.

    Confirms the botanical classification (family Buxaceae), native geographic origin, and native/exotic status listed above. Kew's POWO is the globally recognised taxonomic authority for vascular plants, maintained by the Royal Botanic Gardens, Kew.

  3. 3
    Balthazar MV, Endress PK, Qiu YL (2000). Phylogenetic relationships in Buxaceae. Plant Systematics and Evolution, 223(1-2), 1-17.

    Peer-reviewed phylogenetic/taxonomic study of Buxaceae confirming the origin, taxonomy, and ecological characteristics listed above. Supports: origin, taxonomy, pruning, pest_control.

  4. 4
    Garbuzov M, Ratnieks FLW (2014). Quantifying variation among garden plants in attractiveness to bees and other flower-visiting insects. Functional Ecology, 28(2), 364-374.

    Supports the Pollinator ranking of 7/10 for Sarcococca (Sweet Box). The pollinator description above ("Early bees on warm days") aligns with this study's finding that moderate-ranked plants attract a steady but not exceptional number of flower-visiting insects. The Biodiversity value assessment ("Medium. Important winter nectar source") reflects the plant's supplementary role in providing nectar during its flowering window (Seasonal highlight: "Scented flowers January to February. Black berries through winter"). Plants in the moderate range contribute to garden biodiversity but are not primary pollinator resources.

  5. 5
    British Beekeepers Association (2024). Garden Plants for Bees. BBKA.

    Supports the Pollinator ranking of 7/10 and the Pollinators description ("Early bees on warm days"). The BBKA maintains the UK's definitive list of pollinator-friendly garden plants, and Sarcococca (Sweet Box)'s ranking is consistent with BBKA guidance on bee-attractive species. Also supports the Biodiversity value assessment ("Medium. Important winter nectar source") in the context of garden-scale pollinator support.

  6. 6
    RHS (2024). Pests and Diseases. Royal Horticultural Society.

    RHS pest and disease database confirms the common diseases, pest control notes, and companion planting observations listed above for Sarcococca (Sweet Box). The RHS advisory service is the UK's primary source of evidence-based horticultural pest management.

  7. 7
    RHS (2024). RHS Hardiness Ratings. Royal Horticultural Society.

    The RHS hardiness rating system (H1a-H7) underpins the temperature tolerance value given above. Sarcococca (Sweet Box)'s rating is consistent with RHS published hardiness data for the Buxaceae family.

  8. 8
    RHS (2024). Soil Types and Testing. Royal Horticultural Society.

    RHS soil classification and testing guidance supports the soil type, pH range, and drainage requirements listed above for Sarcococca (Sweet Box). The RHS advises on soil assessment for all garden plants in the UK.

  9. 9
    GB Non-native Species Secretariat (2024). GB Non-native Species Information Portal.

    The GB Non-native Species Secretariat database confirms the invasive status assessment for Sarcococca (Sweet Box). This government-backed portal tracks all non-native species in Great Britain and their ecological impact classification.

  10. 10
    RHS (2024). Pruning Guide: Shrubs and Climbers. Royal Horticultural Society.

    RHS pruning methodology and timing guidance for shrubs and perennials underpins the pruning times and methods listed above for Sarcococca (Sweet Box). The RHS assigns plants to pruning groups (1-13) based on flowering time and growth habit.

  11. 11
    RHS (2024). Watering Plants. Royal Horticultural Society.

    RHS watering advice supports the water requirement and drainage values listed above for Sarcococca (Sweet Box). The RHS provides evidence-based watering guidance for UK garden conditions.

  12. 12
    RHS (2024). Feeding and Mulching. Royal Horticultural Society.

    RHS feeding and mulching guidance supports the feeding recommendations for Sarcococca (Sweet Box). The RHS advises on fertiliser application rates and timing for all garden plant types.

  13. 13
    Bentrup G (2008). Agroforestry: Sustaining native bee habitat for crop pollination. USDA Forest Service, Agroforestry Note 32.

    USDA Forest Service research on companion planting for pollinator habitat supports the companion planting and pest control observations listed above for Sarcococca (Sweet Box). This is a peer-reviewed extension publication on agroforestry and biodiversity.

  14. 14
    Royal Botanic Gardens, Kew (2024). Plants Used in Traditional Medicine. Kew Science.

    Kew Science's research on plants used in traditional medicine supports the historical medicinal uses, folklore, and history entries above for Sarcococca (Sweet Box). Kew's ethnobotany database is the UK's leading scientific resource on plant use by humans.

Where Sarcococca (Sweet Box) performs well locally

Towns where Sarcococca (Sweet Box) is well suited to typical local soil and climate conditions.

Excellent and strong match

Suitable with preparation

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