shrub

Dwarf Sweet Box

Sarcococca hookeriana var. humilis

The Story

Plant Bio

Sarcococca hookeriana var. humilis, commonly known as dwarf sweet box, is a low-growing, stoloniferous evergreen shrub native to Asia that spreads slowly to form a dense groundcover. The lustrous, leathery leaves remain dark green year-round, providing a rich backdrop for the tiny, highly fragrant white flowers that open in the depths of winter.

This dwarf variety is distinguished by its exceptionally compact, mounded habit, reaching only one to two feet in height. Its stoloniferous growth allows it to colonize dry shade areas where other plants struggle, while its glossy foliage retains its deep color throughout the coldest months.

Uses & Benefits:

Provides year-round structure with lustrous, deep green foliage and highly fragrant winter blooms.

Functions as an exceptionally deer- and rabbit-resistant evergreen groundcover for dry shade.

Offers an early-season nectar and pollen source for bees and other emerging pollinators in late winter.

Essentials

At a Glance

Plant Type

Shrub

Height

24"

Width

48"

Light

Partial Sun, Shade

Zones

6, 7, 8, 9

Water

Medium

Humidity

Moderate

Native To

Asia

Toxicity

Mild to moderate digestive upset if ingested

Bloom period

Late winter – Early spring

In flower about 2 months of the year

Planting

How to Grow

Select a planting site in partial to full shade, ensuring protection from hot afternoon sun.
Amend the soil with organic compost to create a rich, moist, and well-draining environment.
Dig a hole twice the width of the root ball and set the plant at the same depth as its container.
Water thoroughly after planting and apply a thick layer of organic mulch to retain moisture.

Pro Tip

Prune sparingly in spring immediately after flowering; cutting back too hard into old, leafless interior wood prevents the plant from regenerating cleanly.

Keep It Thriving

Care Guide

Do

Mulch annually to keep the root zone cool and preserve soil moisture.
Water regularly during dry spells until the root system is fully established.
Apply a balanced slow-release organic fertilizer in early spring.

Don't

Do not plant in direct, baking sun, which bleaches the glossy foliage yellow.
Do not allow the soil to become waterlogged or suffer from standing water.
Do not shear the plant annually or cut back into bare, leafless wood.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Pest Check
Propagate
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

GroundcoverShade GardenUnderstory PlantingFoundation PlantingWoodland Garden

Companion Plants

HostaFerns AstilbeHellebore Rhododendron

Multiply

Propagation Methods

Good to Know

Common Questions

Dwarf Sweet Box questions

What zones can Dwarf Sweet Box grow in?

Dwarf Sweet Box is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Dwarf Sweet Box deer resistant?

Yes — Dwarf Sweet Box is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Dwarf Sweet Box bloom?

Dwarf Sweet Box typically blooms in late winter through early spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Dwarf Sweet Box need full sun?

Dwarf Sweet Box does best in part shade.

Is Dwarf Sweet Box drought tolerant?

Yes — once established (usually after the first full season), Dwarf Sweet Box handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.