Species

Ilex verticillataWinterberry

9 other cultivars

shrubN. America Native

Sparkleberry Winterberry

Ilex verticillata 'Sparkleberry'

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Same species

Species

Ilex verticillataWinterberry

9 other cultivars

Essentials

At a Glance

Plant Type

Shrub

Height

120 inches

Width

120 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Medium to wet

Humidity

High

Lifespan

Long-lived shrub

Native To

Eastern North America (parent species)

Toxicity

Berries are toxic to humans and pets

The Story

Plant Bio

Ilex verticillata, or winterberry, is a deciduous holly native to eastern North America. Unlike evergreen hollies, it drops its leaves in fall to reveal a stunning display of brightly colored berries on bare stems. 'Sparkleberry' is a hybrid cultivar (I. verticillata x I. serrata) prized for its exceptionally heavy crop of large, brilliant red berries that persist well into winter. It has an upright, vase-shaped habit, making it a striking winter specimen.

Bloom Period:

EarlyLate

Uses & Benefits:

The primary ornamental feature is the incredible winter display of brilliant red berries on bare stems, which brightens the landscape after leaves have fallen. It creates a stunning contrast against snow or a dark evergreen background.

Branches laden with berries are highly valued for cut arrangements and holiday decorations. The shrub's tolerance for wet soils makes it a useful solution for boggy areas or rain gardens where other plants might fail.

Winterberry is a critical late-season food source for many bird species, including robins, cedar waxwings, and bluebirds. The berries become more palatable to birds after a few freeze-thaw cycles, providing sustenance when other food is scarce.

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Planting

How to Grow

Select a site with full sun and acidic, moist to wet soil.
Ensure a male pollinator like 'Apollo' is planted nearby.
Dig a hole twice the width of the root ball.
Set the plant so the top of the root ball is level with the soil.
Backfill with amended soil and water thoroughly.
Mulch with pine straw or shredded bark to retain moisture and acidify soil.

Pro Tip

Plant one male pollinator, such as 'Apollo', within 50 feet for every 5-10 'Sparkleberry' female plants to ensure heavy fruiting.

Keep It Thriving

Care Guide

Do

Provide plenty of water, especially during establishment.
Plant in acidic soil (pH 4.5-6.5) for best results.
Prune to remove dead wood and improve shape in early spring.
Ensure you have the correct male pollinator for berry production.
Cut branches in late fall for festive indoor arrangements.

Don't

Don't plant in dry or alkaline soils, which causes yellowing leaves (chlorosis).
Avoid planting only one female plant without a male pollinator.
Don't prune after new growth begins, as you may remove flower buds.
Do not ingest the berries; they are toxic to people and pets.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Harvest
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Brilliant winter interest specimenMass planting for a stunning berry displayWildlife garden and naturalized areas

Companion Plants

Cornus sericea 'Arctic Fire' Betula nigra 'Little King' Clethra alnifolia Carex pensylvanica Ilex glabra

Multiply

Propagation Methods

Good to Know

Common Questions

Sparkleberry Winterberry questions

What zones can Sparkleberry Winterberry grow in?

Sparkleberry Winterberry is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Sparkleberry Winterberry deer resistant?

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

When does Sparkleberry Winterberry bloom?

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

Does Sparkleberry Winterberry need full sun?

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