Species

Ilex aquifoliumEnglish Holly

shrub RHS Award

Silver Hedgehog Holly

Ilex aquifolium 'Ferox Argentea'

The Story

Plant Bio

Evergreen shrub known for its spiny leaves and bright red berries in winter.

Variety 'Ferox Argentea' is distinguished by its silver-edged spines on the leaves.

Uses & Benefits:

Provides year-round visual interest with its evergreen silvery foliage, ideal for hedges and borders.

Acts as a natural privacy screen and windbreak, reducing noise and wind impact.

Supports local wildlife by offering shelter and food for birds and insects.

SpeciesIlex aquifoliumEnglish Holly

Essentials

At a Glance

Plant Type

Shrub

Height

180 inches

Width

120 inches

Light

Full Sun, Partial Sun, Shade

Zones

6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Decades

Native To

Western Europe

Toxicity

Yes

Bloom period

Spring – Mid-spring

In flower about 1 month of the year

Planting

How to Grow

Tuck well-draining soil around roots and water thoroughly.
Mist cuttings regularly to maintain humidity.
Plant in a location with partial sun for optimal growth.
Mulch around the base to retain moisture and suppress weeds.
Transplant in early spring after last frost for best results.
Fertilize with a balanced evergreen fertilizer in early spring.

Pro Tip

Prune lightly after flowering to maintain shape and remove dead or damaged branches.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 🌱
Prune to shape and remove deadwood
Mulch to conserve moisture

Don't

Avoid overwatering to prevent root rot ❌
Don’t fertilize late in the season
Refrain from heavy pruning during the growing season

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Evergreen hedge with silvery foliageShade-loving shrub in woodland gardensStructural specimen for winter interest

Companion Plants

HostaFerns PierisHellebore Azalea

Multiply

Propagation Methods

Good to Know

Common Questions

Silver Hedgehog Holly questions

What zones can Silver Hedgehog Holly grow in?

Silver Hedgehog Holly 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 Silver Hedgehog Holly deer resistant?

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

When does Silver Hedgehog Holly bloom?

Silver Hedgehog Holly typically blooms in spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Silver Hedgehog Holly need full sun?

Silver Hedgehog Holly does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Silver Hedgehog Holly drought tolerant?

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