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Euphorbia rigida (Upright Myrtle Spurge)

Upright Myrtle Spurge, Silver Spurge, Gopher Spurge, Rigid Spurge, Euphorbia biglandulosa

AGM Award
Euphorbia rigida, Upright Myrtle Spurge, Silver Spurge, Gopher Spurge, Rigid Spurge, Euphorbia biglandulosa, Yellow flowers, Drought tolerant perennial, Deer resistant perennial, rabbit resistant perennial
Euphorbia rigida, Upright Myrtle Spurge, Silver Spurge, Gopher Spurge, Rigid Spurge, Euphorbia biglandulosa, Yellow flowers, Drought tolerant perennial, Deer resistant perennial, rabbit resistant perennial
Euphorbia rigida, Upright Myrtle Spurge, Silver Spurge, Gopher Spurge, Rigid Spurge, Euphorbia biglandulosa, Yellow flowers, Drought tolerant perennial, Deer resistant perennial, rabbit resistant perennial
Euphorbia rigida, Upright Myrtle Spurge, Silver Spurge, Gopher Spurge, Rigid Spurge, Euphorbia biglandulosa, Yellow flowers, Drought tolerant perennial, Deer resistant perennial, rabbit resistant perennial

Euphorbia rigida (Upright Myrtle Spurge) is an erect, then spreading, evergreen perennial with upright ascending stems clad with fleshy, blue-green leaves arranged in close spirals. Through the spring months, it produces small clusters of star-shaped yellow-green flowers within a collar of chartreuse to bright yellow bracts, sometimes suffused with pink. The foliage sometimes tinges bronze or red in cold weather. The stems exude a milky sap that can be irritating so wear gloves when handling.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society for its outstanding qualities
  • Typically grows up to 12-24 in. tall (30-60 cm) and 24-36 in. wide (60-90 cm)
  • Performs best in full sun in dry to medium, well-drained soils. Tolerates some light shade. It is drought tolerant and does well in poor, sandy or rocky soils.
  • Great for rock gardens, coastal gardens, Mediterranean Gardens, banks and slopes, underplanting shrubs and roses, containers.
  • Remaining attractive during all its growing season, this remarkable plant is resilient to most pests and diseases, is salt tolerant, deer resistant and is easy to care for.
  • Propagate by division.
  • Self-seeds freely if not deadheaded. Cut off old stems to the base when the flowers start to fade to prevent reseeding.
  • Native to Southern Europe, Southwestern Asia.
  • All parts of the plant are highly toxic if ingested. The milky sap may cause irritation to skin and eyes.

Requirements

Hardiness 7 - 11
Heat Zones 7 - 11
Climate Zones 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Euphorbiaceae
Genus Euphorbia
Common names Euphorbia, Spurge
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid, Late)
Summer (Early)
Height 1' - 2'
(30cm - 60cm)
Spread 2' - 3'
(60cm - 90cm)
Spacing 36" (90cm)
Maintenance Low
Water Needs Low, Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Plant of Merit, Showy, Evergreen
Tolerance Drought, Deer, Salt, Dry Soil, Rocky Soil
Garden Uses Banks And Slopes, Patio And Containers, Underplanting Roses And Shrubs
Garden Styles Coastal Garden, Gravel and Rock Garden, Mediterranean Garden
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Alternative Plants to Consider

Euphorbia horrida (African Milk Barrel)
Euphorbia caput-medusae (Medusa’s Head)
Euphorbia obesa (Baseball Plant)
Euphorbia resinifera (Resin Spurge)
Euphorbia mammillaris (Corncob Cactus)
Euphorbia xanti (Baja Spurge)

Find In One of Our Guides or Gardens

Native Plant Alternatives to Euphorbia cyparissias (Cypress Spurge)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 7 - 11
Heat Zones 7 - 11
Climate Zones 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Euphorbiaceae
Genus Euphorbia
Common names Euphorbia, Spurge
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid, Late)
Summer (Early)
Height 1' - 2'
(30cm - 60cm)
Spread 2' - 3'
(60cm - 90cm)
Spacing 36" (90cm)
Maintenance Low
Water Needs Low, Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Plant of Merit, Showy, Evergreen
Tolerance Drought, Deer, Salt, Dry Soil, Rocky Soil
Garden Uses Banks And Slopes, Patio And Containers, Underplanting Roses And Shrubs
Garden Styles Coastal Garden, Gravel and Rock Garden, Mediterranean Garden
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Euphorbia (Spurge)
Guides with
Euphorbia (Spurge)
Not sure which Euphorbia (Spurge) to pick?
Compare Now

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