Euphorbia rigida (Upright Myrtle Spurge)
Upright Myrtle Spurge, Silver Spurge, Gopher Spurge, Rigid Spurge, Euphorbia biglandulosa
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.
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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 | Euphorbia - Spurges |
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) |
Water Needs | Low, Average |
Maintenance | Low |
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 | Deer, Drought, Dry Soil, Rocky Soil, Salt |
Garden Uses | Banks and Slopes, Patio and Containers, Underplanting Roses and Shrubs |
Garden Styles | Coastal Garden, Gravel and Rock Garden, Mediterranean Garden |
Sean O'Hara, Rictor Norton, David Allen, Flickr, Nikole Kelly Hill, Shutterstock, c) Gerhard Bock, SucculentsandMore.com,
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.
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 | Euphorbia - Spurges |
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) |
Water Needs | Low, Average |
Maintenance | Low |
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 | Deer, Drought, Dry Soil, Rocky Soil, Salt |
Garden Uses | Banks and Slopes, Patio and Containers, Underplanting Roses and Shrubs |
Garden Styles | Coastal Garden, Gravel and Rock Garden, Mediterranean Garden |