perennial

Ruby Spurge

Euphorbia cyparissias 'Fens Ruby'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Low to moderate

Lifespan

Perennial

Native To

Europe

Toxicity

Milky sap is a skin/eye irritant; toxic if ingested.

The Story

Plant Bio

Euphorbia cyparissias is a rhizomatous, spreading, herbaceous perennial with fine, feathery, linear leaves. It can be invasive in ideal conditions. This cultivar features striking ruby-red foliage in spring and early summer, which contrasts beautifully with its yellow flower clusters.

Bloom Period:

EarlyLate

Uses & Benefits:

Euphorbia cyparissias Fens Ruby adds striking purple foliage and drought-tolerant ground cover to gardens.

Its low-maintenance nature makes it ideal for xeriscaping and erosion control.

Provides habitat and nectar for pollinators like bees and butterflies.

Marketplace

Where to Buy

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

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and encourage root growth.
Transplant seedlings when they are strong and have developed several leaves, typically after 6 weeks.
Space plants 12-18 inches apart to allow for growth and airflow.
Water deeply once established, especially during dry spells.
Apply a balanced fertilizer in early spring to promote healthy growth.

Pro Tip

Use well-draining sandy or loamy soil and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

Water moderately during dry periods 💧
Provide full sun for optimal growth 🌞
Prune dead or damaged stems to maintain shape ✂️
Mulch around plants to retain moisture and suppress weeds 🌱

Don't

Overwater, which can cause root rot ❌
Plant in poorly drained soil ❌
Allow plants to become overcrowded ❌
Use chemical pesticides excessively ❌

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver-foliaged borderDrought-tolerant rock gardenWildflower meadow accent

Companion Plants

Lavender Sedum Echinacea Coreopsis Ornamental grasses

Multiply

Propagation Methods

Good to Know

Common Questions

Ruby Spurge questions

What zones can Ruby Spurge grow in?

Ruby Spurge 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 Ruby Spurge deer resistant?

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

When does Ruby Spurge bloom?

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

Does Ruby Spurge need full sun?

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

Is Ruby Spurge drought tolerant?

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