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How to Grow Cushion Spurge – Euphorbia polychroma

Euphorbia cushion spurge

Cushion spurge, Euphorbia, is a perennial that forms mounds of small green leaves on upright stems. In spring, it bears small yellow flowers surrounded by lime-yellow bracts. Cushion spurge is best planted in groups and at the front of beds.

Get to Know Cushion Spurge

  • Plant type: Perennial
  • Growing Zones and range: 4-8
  • Hardiness: Hardy
  • Height and width: 12”- 18” tall; 12”- 18” wide
  • Flowers: Bright yellow flowers surround chartreuse bracts; foliage turns shades of purple, red, yellow, and orange in fall
  • Bloom time: Mid-spring
  • Uses: Place at the front of borders or use as edging plant; grows well in containers; combine with spring-blooming bulbs, hardy geraniums, and blue plumbago
  • Botanical name: Euphorbia polychrome (Euphorbia epithymoides)
  • Common name: Cushion Spurge

Where to Plant Cushion Spurge

  • Plant cushion spurge in full sun in Zones 4-6 and Pacific Northwest; plant in shade in Zones 7-8.
  • Grow plant spurge in sandy, well-drained soil.
Cushion spurge, Euphorbia polychroma
Cushion spurge, Euphorbia polychroma

When to Plant Cushion Spurge

  • Set out established plants in spring or fall.

Planting and Spacing Cushion Spurge

  • Space cushion spurge 12 to 18 inches apart.

How to Water and Feed Cushion Spurge

  • Give cushion spurge moderate water; established plants can tolerate drought.
  • Fertilize cushion spurge occasionally.

Cushion Spurge Care

  • Mulch around cushion spurge to conserve soil moisture.
  • Cushion spurge can become invasive in moist soil.
  • Divide cushion spurge when plants become floppy, every few years.
  • Cushion spurge is commonly pest and disease-free.
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