Upright Myrtle Spurge

Euphorbia rigida

Native to:
Albania, Algeria, East Aegean Is., Greece, Iran, Kriti, Krym, Lebanon-Syria, Morocco, North Caucasus, NW. Balkan Pen., Romania, Sicilia, Türkiye, Türkiye-in-Europe, Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Euphorbiaceae
Genus:
Euphorbia
Species:
Euphorbia rigida
USDA Symbol:
EURI10

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Succulent
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar,apr,may
Bloom Colors:
yellow, chartreuse

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Deer Resistant:
Yes
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to Mediterranean regions with dry, rocky soils

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate best with light exposure and temperatures around 65-70°F after cold stratification.

The above propagation data sourced from Claude AI