Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Euphorbiaceae

Genus:

Euphorbia

Species:

Euphorbia rigida

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb , Succulent

Height:

1-2 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

mar, apr, may

Bloom Colors:

yellow

Native Range

United States: California

Keystone Species Ranking

Bee Keystone:

★★☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

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