1 / 4Key characteristics
- Family
- Euphorbiaceae
- Height
- 18 to 24 inches
- Width
- Forms a compact mound with a similar spread
- Flower color
- Inconspicuous flowers surrounded by colorful bracts
- Foliage color
- Variegated foliage with shades of green, cream, and pink
- Bloom time
- Late spring to early summer
- Light
- Full sun to partial shade
- Water
- Drought-tolerant once established
- Maintenance
- Low to moderate
- Growing zone
- USDA Hardiness Zones 5 to 9
- Wildlife
- none
Perennials
Euphorbia x martinii ‘Ascot Rainbow’
Ascot Rainbow Spurge
Euphorbia x martinii 'Ascot Rainbow' is a delightful cultivar admired for its vibrant and variegated foliage, displaying a mix of green, cream, and pink hues in a compact, tidy mound shape. In late spring to early summer, it may produce inconspicuous flowers surrounded by large yellow colorful bracts, enhancing its visual appeal. Thriving in full sun to partial shade, 'Ascot Rainbow' is a versatile and attractive choice for borders, containers, or garden beds, providing a lively burst of color to the landscape.
Works well in
- Borders
- Cottage Gardens
- Waterwise Gardens
- Containers
Companion plants
Hostas · Ferns · Astilbes · Foxgloves · Bergenias · Sedums
Design tip
The long summer show pairs well with plants that peak earlier, keeping one area interesting for months. It takes sun or light shade, which makes it useful along the changing light of a bed edge or a partly shaded border.
Where to see it
This plant can be seen in the perennial border at the Bellevue Botanical Garden.
More perennials

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Full sun to partial shade

Hosta 'Whirlwind'
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Partial shade to full shade

Pulmonaria saccharata 'Excalibur'
Excalibur Lungwort
Blooms rose pink, maturing to violet-blue
Part shade to full shade

Helleborus argutifolius ‘Snow Fever’
Snow Fever Lenten Rose
Blooms pale green to cream
Partial shade to full shade