Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Euphorbiaceae

Genus:

Euphorbia

Species:

Euphorbia lathyris

USDA Symbol:

EULA4

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb , Succulent

Height:

150 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun,jul,aug

Bloom Colors:

yellow, green

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Deer Resistant:

Yes

Soil Requirements

Soil Type:

well-drained, sandy or loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to Mediterranean regions; prefers full sun

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–21 days

Notes:

Seeds germinate readily in spring after cold stratification or direct fall sowing. Light may improve germination.

The above propagation data sourced from Claude AI