North America Non-native Plant

Mottled Spurge

Botanical name: Euphorbia lactea

USDA symbol: EULA8

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Puerto Rico  

Mottled Spurge: A Striking Architectural Plant for Warm Climate Gardens Looking for a plant that makes a bold statement in your landscape? Meet the mottled spurge (Euphorbia lactea), a dramatic succulent that brings sculptural beauty to warm climate gardens. With its distinctive white-marbled stems and impressive candelabra-like form, this eye-catching ...

Mottled Spurge: A Striking Architectural Plant for Warm Climate Gardens

Looking for a plant that makes a bold statement in your landscape? Meet the mottled spurge (Euphorbia lactea), a dramatic succulent that brings sculptural beauty to warm climate gardens. With its distinctive white-marbled stems and impressive candelabra-like form, this eye-catching plant has become a favorite among gardeners who love unique architectural specimens.

What is Mottled Spurge?

Mottled spurge is a perennial shrub that can grow quite impressively – typically reaching 4 to 5 meters (13 to 16 feet) in height, though it can grow even taller under ideal conditions. Despite its cactus-like appearance, it’s actually a member of the spurge family. The plant gets its common name from the beautiful white mottling that decorates its thick, fleshy green stems, creating a marbled pattern that’s truly striking.

This multi-stemmed plant branches out in a distinctive candelabra fashion, with several stems arising from near the ground level. Don’t expect showy flowers though – mottled spurge produces small, inconspicuous blooms that aren’t the main attraction.

Where Does Mottled Spurge Come From?

Originally native to tropical regions of Asia, particularly India and Sri Lanka, mottled spurge is not a native plant to the United States. However, it has naturalized in some areas and now grows wild in Florida and Puerto Rico, where the warm climate suits its tropical origins.

Should You Plant Mottled Spurge in Your Garden?

The decision to plant mottled spurge depends on your climate, garden style, and personal preferences. Here are some factors to consider:

Reasons You Might Love It:

  • Incredible architectural presence that serves as a living sculpture
  • Extremely drought tolerant once established
  • Low maintenance requirements
  • Unique mottled pattern adds visual interest year-round
  • Perfect for modern, minimalist garden designs
  • Excellent for xerophytic or desert-style landscapes

Potential Drawbacks:

  • Only suitable for USDA zones 10-12 (not cold hardy)
  • Contains toxic milky sap that can irritate skin and eyes
  • Limited wildlife benefits compared to native plants
  • Can be difficult to remove once established

Growing Conditions and Care

If you live in a warm climate and decide to grow mottled spurge, here’s what you need to know:

Ideal Growing Conditions:

  • Sunlight: Full sun exposure for best growth and coloration
  • Soil: Well-draining soil is essential – soggy conditions will kill this plant
  • Water: Drought tolerant once established; water sparingly
  • Climate: Thrives in warm, frost-free areas (zones 10-12)

Planting and Care Tips:

  • Always wear gloves and eye protection when handling – the milky sap is toxic and irritating
  • Plant in spring after all danger of frost has passed
  • Avoid overwatering – this is the quickest way to kill your plant
  • If you’re in a borderline climate, consider growing in large containers that can be moved indoors
  • Protect from frost and freezing temperatures
  • Prune carefully if needed, always wearing protective gear

Garden Design Ideas

Mottled spurge works beautifully as:

  • A focal point in desert or Mediterranean gardens
  • An architectural element in modern landscape designs
  • Part of a succulent collection or xerophytic garden
  • A dramatic container plant for patios or courtyards
  • Screening or privacy barrier in warm climates

Consider Native Alternatives

While mottled spurge can be a stunning addition to appropriate gardens, consider exploring native plants that might provide similar architectural interest while supporting local wildlife. Native alternatives vary by region, so consult with your local extension office or native plant society for recommendations specific to your area.

The Bottom Line

Mottled spurge can be a spectacular addition to the right garden – one that’s in a warm climate, has excellent drainage, and where the gardener appreciates bold architectural plants. Just remember to handle with care, plant responsibly, and always consider how native plants might better serve your local ecosystem. With proper care and the right conditions, this striking succulent can become a conversation-starting centerpiece in your landscape.

Mottled Spurge

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Euphorbiales

Family

Euphorbiaceae Juss. - Spurge family

Genus

Euphorbia L. - spurge

Species

Euphorbia lactea Haw. - mottled spurge

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA