2 named cultivars

shrub

Sweet Viburnum

Viburnum odoratissimum

The Story

Plant Bio

Viburnum odoratissimum, commonly known as sweet viburnum, is a robust evergreen shrub native to Asia, widely planted across Australia for dense hedging and privacy screening. It features large, leathery, highly glossy dark green leaves that form a thick, impenetrable barrier when regularly pruned.

In spring and early summer, the foliage is complemented by pyramidal terminal clusters of tiny, highly fragrant white flowers. These blooms are followed by small red berries that mature to black, providing a valuable food source for local fruit-eating birds.

Uses & Benefits:

Provides a dense, glossy green backdrop, neat formal hedging, and fragrant spring flowers.

Serves as an effective windbreak, privacy screen, and noise barrier due to its dense, evergreen foliage.

Flowers attract native bees and insect pollinators, while the berries provide food for local fruit-eating birds.

Essentials

At a Glance

Plant Type

Shrub

Height

393 inches

Width

236 inches

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Moderate

Humidity

High

Lifespan

20-50 years

Native To

Asia

Toxicity

Berries toxic to humans

Planting

How to Grow

Select a planting site in full sun to partial shade with well-drained soil, ensuring the area does not collect standing water.
Dig a hole twice the width of the root ball and to the same depth, backfilling with native soil mixed with organic matter if the soil is poor.
Water deeply after planting to settle the soil, and apply a thick layer of organic mulch around the base, keeping it clear of the main stems.
Irrigate regularly during the first year to establish a deep root system, then reduce watering to an as-needed basis once the plant is established.

Pro Tip

Always taper formal hedges so the base remains wider than the top; this ensures sunlight reaches the lower foliage, preventing the bottom branches from defoliating and dying back.

Keep It Thriving

Care Guide

Do

Prune regularly during the growing season to maintain a dense, compact habit when grown as a hedge.
Ensure the soil is free-draining to prevent root rot in wet conditions.
Apply a balanced general-purpose fertiliser in spring if growth slows or leaves show signs of yellowing.

Don't

Do not allow the top of a hedge to become wider than the base, as this starves the lower limbs of light.
Avoid overhead watering, which can encourage fungal leaf spot in dense canopies.
Do not plant in waterlogged or poorly drained soils where water pools after rain.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

HedgePrivacy ScreenWindbreakSpecimen Plant

Companion Plants

Murraya paniculata Loropetalum chinense Abelia grandiflora

Multiply

Propagation Methods

Good to Know

Common Questions

Sweet Viburnum questions

What zones can Sweet Viburnum grow in?

Sweet Viburnum is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does Sweet Viburnum bloom?

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

Does Sweet Viburnum need full sun?

Sweet Viburnum does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Sweet Viburnum drought tolerant?

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