Oblong or Eggleaf Spurge

Euphorbia oblongata

A showy euphorbia with alternative smooth finely toothed leaves. Produces yellowish-green bracts and tiny flowers.

Life Forms	Forb
Habitats	Gardens Little Habitats Residential yards Riparian areas Wet prairies Woodlands
ODA Listing	A
Soil and Moisture Conditions	Moist
Suggested Actions	Report to Oregon Invasives Hotline
Shade Preference	Full sun Part shade
Mature Height	3'
Distribution	This species has been reported in the Willamette Valley, but is still considered and EDRR species- report it to OregonInvasivesHotline.org iof you see it.
Control	Report this plant to OregonInvasivesHotline.org. Do not mow. Wearing gloves, hand pull small infestations when soil is moist, being sure to remove entire root system.
Disposal Methods	Seal in a plastic bag and throw in the trash.
Reproduction and Spread	Spreads along Waterways and through natural areas. Ejects seeds up to 6 feet away.
Introduced	Possibly introduced from California in contaminated machinery in the early 1900s.
Look Alikes	Other Euphorbia species
Impact	Forms dense stands, outcompetes native plants. Reduces wildlife habitat and resources.
More Info	https://tualatinswcd.org/species/oblong-spurge/ https://oregoninvasiveshotline.org/reports/list?q=euphorbia+oblongata&submit=Search https://www.oregon.gov/oda/shared/Documents/Publications/Weeds/OblongSpurgeProfile.pdf