University of Maryland Extension


(More Lawn Weeds)  (Lawn Control Options) 

Portulaca oleracea



Summer annual.

Growth habit

Prostrate growth habit, forming low mats less than 1 ft. tall; stems and leaves thick, succulent, light green to maroon on undersides and older portions.


Reproduces by seed; flowers yellow, 5 petals at tips of stems; seeds germinate late May through early August.

Conditions that favor growth 

Weed of landscapes and newly seeded turf, vegetable, fruit, and agronomic crops as well as home landscapes; thrives in crevices between bricks and cracked cement, sandy, nutrient-poor, compacted soils, and drought; high light and warm growing conditions.


Cultural control: Maintain healthy, dense turf that can compete and prevent weed establishment.

Mechanical control: Hand pulling or using an appropriate weeding tool are the primary means of mechanical weed control in lawns. This is a viable option at the beginning of an infestation and on young weeds. Hand pulling when the soil is moist makes the task easier. Weeds with tap roots like dandelions or have a basal rosette (leaves clustered close to the ground) like plantain are easier to pull than weeds such as Bermudagrass (wiregrass) or creeping Charlie (ground ivy) that spread with stolons or creeping stems that root along the ground.
General chemical control: (lawns) Spot treat weeds with a liquid, selective, postemergent, broadleaf weed killer applied when weeds are actively growing. Look for a product with one or more of the following active ingredients:
2, 4-DMCPP (mecoprop), Dicamba* or Triclopyr

*Do not spray herbicides containing dicamba over the root zone of trees and shrubs. Roots can absorb the product possibly causing plant damage. Read the product label for precautions. 

Organic control

For a glossary of herbicide terms and additional information see: control options     




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