Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Euphorbia marginata

Snow on the mountain, Snow-on-the-mountain

Euphorbiaceae (Spurge Family)

Euphorbia marginata (Snow on the mountain)
Hampton, Nan
Grown as much for its foliage as for its flowers, snow-on-the-mountainís small but showy leaves may be light green, variegated or entirely white. They clasp erect, many-branched stems which grow 1-3 ft. tall. Tiny flowers, each with whitish, petal-like bracts, are borne in clusters atop the stems.

Milky sap may cause dermatitis.

Image Gallery:

35 photo(s) available

Plant Characteristics

Duration: Annual
Habit: Herb
Size Class: 3-6 ft.

Bloom Information

Bloom Color: White
Bloom Time: Jul , Aug , Sep , Oct


USA: AL , AZ , AR , CA , CO , CT , DE , FL , GA , IL , IN , IA , KS , KY , LA , MD , MA , MI , MN , MS , MO , MT , NE , NH , NJ , NM , NY , NC , ND , OH , OK , PA , RI , SC , SD , TN , TX , UT , VA , WV , WI , WY , DC
Native Distribution: MT to NM, e. to s. MN, w. IA, w. MO & TX; naturalized in waste areas e. to the Atlantic
Native Habitat: Dry slopes; disturbed prairies; roadsides

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
Soil pH: Circumneutral (pH 6.8-7.2)
Soil Description: Various soils. Clay, Limestone/chalky, Clay Loam, Medium Loam, Sandy Loam, Sandy


Use Ornamental: Wildflower meadow
Use Wildlife: This plant has no forage value for wildlife and is usually considered poisonous. Mourning doves eat the seeds without being harmed.
Warning: Plant parts (fresh or dried) and extracts made from them can be toxic if ingested to both humans and cattle. Ingestion causes inflammtion or blistering of the mouth, throat, and esophagus. Contact with plant can cause irritation of skin, eyes, and mucous membranes. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil.
Conspicuous Flowers: yes
Interesting Foliage: yes
Deer Resistant: High

Last Update: 2011-01-06