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EUPHORBIA rigida

Image of Euphorbia rigida

John Rickard

Family

Euphorbiaceae

Botanical Name

EUPHORBIA rigida

Plant Common Name

Mediterranean Spurge, Upright Myrtle Spurge

General Description

Native to Iran, Morocco and the Mediterranean region of Europe, this beautiful spurge offers exceptional color and interest for gardens in dry climates. Its thick, fleshy, upright to arching stems are encircled with oval, pointed, blue-green foliage which remains evergreen to semi-evergreen in winter. Large, rounded, bright yellow flower clusters appear at the ends of the stems from spring to early summer. These are actually composed of colorful bracts surrounding small, less conspicuous flowers.

Provide Mediterranean spurge with full sun and very well-drained soil of average to modest fertility. Wet or poorly drained conditions should be avoided. After flowering, the stems may be cut to the ground to rejuvenate new growth. This plant is ideal for rock gardens and well-drained mixed borders.

Characteristics

  • AHS Heat Zone

    12 - 7

  • USDA Hardiness Zone

    7 - 11

  • Sunset Zone

    4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    12"-24" / 30.5cm - 61.0cm

  • Width

    18"-24" / 45.7cm - 61.0cm

  • Bloom Time

    Late Spring, Early Summer

  • Native To

    Mediterranean

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Medium

  • Water Requirements

    Drought Tolerant

  • Habit

    Clump-Forming

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    Yellow

  • Foliage Color (Spring)

    Blue Green

  • Foliage Color (Summer)

    Blue Green

  • Foliage Color (Fall)

    Blue Green

  • Foliage Color (Winter)

    Blue Green

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Medium

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Mixed Border, Rock Garden / Wall

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes