Euphorbia umbellata 'Rubra': Striking Red African Milk Tree
🌴 Euphorbia umbellata ‘Rubra’
Tropical Shrub with Dramatic Burgundy Foliage
Euphorbia ‘Rubra’ is a striking tropical accent plant valued for its glossy, deep burgundy to bronze leaves and bold architectural form. The upright, branching habit and rich foliage color create a dramatic focal point that brings a lush, exotic feel to warm‑climate landscapes. Its foliage color intensifies in bright light, making it especially eye‑catching throughout the year.
Ideal for ornamental shrub collections and water‑wise landscapes, Euphorbia ‘Rubra’ combines ornamental impact with adaptability. It performs beautifully as a specimen plant, hedge, or backdrop in tropical, modern, and Mediterranean‑style gardens.
Plant Characteristics of Euphorbia ‘Rubra’
| Characteristic | Detail |
|---|---|
| Common Name | Red African Milk Bush, Rubra Euphorbia |
| Plant Type | Evergreen tropical shrub |
| Foliage | Glossy burgundy to bronze leaves |
| Form | Upright, branching habit |
| Growth Rate | Moderate |
| Special Features | Bold foliage color, architectural structure, heat tolerant |
Mature Size and Form
• Height: 8–15 ft
• Spread: 4–8 ft
Euphorbia ‘Rubra’ grows into a tall, tree‑like shrub with multiple upright stems and a dense canopy of richly colored foliage. With pruning, it can be maintained at a smaller size or shaped into a hedge or screen.
USDA Hardiness Zones
Zones 10–12
Thrives in frost‑free to very light‑frost climates. Best suited for warm coastal and tropical regions.
Cultivation and Care for Euphorbia ‘Rubra’
| Aspect | Care Instructions |
|---|---|
| Sunlight | Full sun to light shade (best color in bright light) |
| Soil | Well‑drained soil; adaptable to sandy or loamy mixes |
| Water | Moderate; drought tolerant once established |
| Fertilizer | Optional light feeding during active growth |
| Maintenance | Prune as needed to control size and shape |
Landscape Use and Benefits of Euphorbia ‘Rubra’
• Dramatic specimen shrub with rich foliage color
• Excellent for tropical, modern, and Mediterranean designs
• Works well as a hedge, screen, or backdrop plant
• Heat tolerant and adaptable once established
• A bold addition to curated
ornamental shrub collections
Wildlife Attraction
Primarily grown for foliage and structure. The plant adds habitat value through its dense branching form.
Pest and Disease Considerations
Euphorbia ‘Rubra’ is generally resilient when grown in appropriate conditions. Consider the following:
• Sensitivity to frost and cold temperatures
• Latex sap can irritate skin—handle with care
• Root issues in poorly drained soil
Good drainage, warm conditions, and protective gloves during pruning ensure long‑term health and safe handling.