Purslane (Portulaca oleracea), also known as common purslane and pigweed, is a herbaceous annual plant that thrives on sunlight and heat and little else. Many American gardeners consider the plant a weed and a pest, while others love the flavor--it tastes like spinach, according to University of New Hampshire Cooperative Extension Agents. Purslane blooms from July until the first frost. Sow the purslane seeds after the danger of frost has passed. The seeds germinate best when temperatures warm to 90 F.
Dig into the planting bed to a depth of 5 inches and mix in a 3-inch layer of sand. Use the gardening fork to mix the sand completely to a depth of 5 inches.
Plant the seeds 1/2-inch deep, 4 inches apart. Sprinkle with a very thin layer of soil so that they are barely covered.
Water the planting bed until it is moist, being careful not to wash away the purslane seeds. The seeds will germinate when the temperature warms.
Snip off flowers as they appear to keep the plant from spreading.