Purslane (Portulaca oleracea) is the plant most frequently highlighted by botanists and gardeners as a “weed” you should leave in your garden.

While often treated as an unwanted nuisance, purslane is a succulent weed that provides exceptional ecological, agricultural, and nutritional benefits.

Core Benefits of Leaving Beneficial “Weeds”

• Living Mulch: Purslane spreads horizontally across the soil, creating a thick mat that conserves moisture and blocks harsher weeds from taking root.
• Nutritional Powerhouse: Purslane is edible and contains the highest concentration of omega-3 fatty acids of any leafy green vegetable, along with vitamins A, C, and magnesium.
• Soil Dynamic Accumulator: Plants with deep taproots like Dandelions pull minerals (such as calcium and iron) up from deep subsoil layers to enrich topsoil for surrounding vegetation.
• Pollinator Support: Early-season volunteers provide crucial nectar and pollen for bees before ornamental flowers fully bloom.

Note: Always correctly identify any wild plant before consuming it. Purslane has a toxic look-alike called spurge, which exudes a milky white sap when broken.