It infests irrigation ditches, roadsides, fields, woodlands, shelter belts, disturbed sites, rangeland, and especially sub-irrigated meadows.
Leafy Spurge is considered toxic to cattle, however, sheep and goats may eat it following an acclimation period with little or no harm. Leafy Spurge is a noxious weed in numerous states. These plants spread quickly and aggressively.
Cypress spurge is a similar species, originally planted as an ornamental. It may be found in yards, cemeteries, and roadsides. Its cauline leaves are only 1-3cm long, and the plants are shorter than leafy spurge.