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Common purslane Purslane Family Portulaca oleracea L. Key identifying traits Leaves are smooth shiny and succulent and are teardrop shaped, being wider at the tip than the base Yellow flowers are small, have 5 petals and open only when there is sunshine Plant grows prostrate and branches can grow more than 12” long Stems are usually a reddish color Biology and ecology An annual plant reproducing from seed but with the ability to re-root after cultivation It is persistent in soils that remain moist most of the time This plant has been introduced from Europe and has become a troublesome weed especially in gardens and cultivated fields Seeds can remain dormant in the soil for years before germinating Purslane is edible and is widely used as a salad green or cooked vegetable in many areas Control Prevention – Learn to identify plants; start monitoring early in the season Biological – No known biological control in our area Cultural – Plant competitive grass or other cover crop Mechanical – The plants are too close to the ground to be mowed, hand pulling can help reduce the density and seed population if done before flowering Chemical – Purslane is susceptible to many herbicides: refer to the PNW Weed Management handbook for specific chemical recommendations Photo by Forest & Kim Starr Photo: Giancarlo Dessì, commons.wikimedia.org Photo by Forest & Kim Starr Where found – Scattered areas throughout Stevens County and is a big problem in gardens and flower beds where herbicides are not generally used Stevens County Noxious Weed Control Board, December 2007