groundcover

Snow-in-summer

Cerastium tomentosum

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Groundcover

Height

6 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7

Water

Moderate, drought-tolerant

Humidity

Low

Lifespan

Perennial

Native To

Italy

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Creeping perennial with silvery green foliage and white star-like flowers. Forms dense mats, ideal for ground cover.

Bloom Period:

EarlyLate

Uses & Benefits:

Cerastium tomentosum provides a lush, silvery groundcover that brightens shaded areas and rock gardens.

Its drought tolerance reduces watering needs, making it ideal for xeriscaping.

Attracts beneficial insects and helps prevent soil erosion on slopes.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds into well-drained soil in early spring for best germination.
Mist cuttings lightly to maintain moisture and encourage rooting.
Ensure soil remains slightly dry between waterings to prevent root rot.
Prune after flowering to promote dense growth and remove dead stems.
Divide clumps in early spring or fall to propagate new plants.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Plant in full sun for vigorous growth and abundant blooms.

Keep It Thriving

Care Guide

Do

Water moderately, allowing soil to dry between watering 🌱
Prune after flowering to maintain shape
Apply balanced fertilizer in spring
Mulch to conserve moisture and regulate soil temperature

Don't

Overwater, which can cause root rot ❌
Neglect pruning, leading to leggy growth
Use heavy, water-retentive soil
Plant in deep shade for best results

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silvery foliage groundcoverRock garden borderErosion control on slopes

Companion Plants

Sedum Thymus Lavender Artemisia Dianthus

Multiply

Propagation Methods

Good to Know

Common Questions

Snow-in-summer questions

What zones can Snow-in-summer grow in?

Snow-in-summer is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Snow-in-summer deer resistant?

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

When does Snow-in-summer bloom?

Snow-in-summer 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 Snow-in-summer need full sun?

Snow-in-summer does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Snow-in-summer drought tolerant?

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