Purslane (Portulaca)

Portulaca oleracea

Characteristics

Culture

Purslane (Portulaca) grows in full sun in almost any soil, from muck high in organic matter to heavy clay. It does best in warm weather, and young plants will remain small and stunted when conditions are cool. Although it prefers regular water it can tolerate drought.  Purslane (Portulaca) is easily dug or hoed out where unwanted but these plants should be removed from the garden as cut stems from larger plants will root readily at the nodes to become re-established, and seeds will mature in the pods even if the plant is pulled and left with its roots turned upward. Although pollinators will visit the flowers, the plants are self fertile so almost all flowers will go on to produce numerous tiny brown to black seeds in a small pod.

Noteworthy Characteristics

Portulaca oleracea is commonly known as Purslane or Moss Rose. It is only certain large-flowered cultivars that elevate this plant into the realm of the ornamental. Those cultivars feature 2” diameter flowers in orange, yellow, red, pink, white and bicolors. Plants typically grow 4-8” tall and spread to 15” wide. Flowers bloom summer to frost. Flowers do not open on cloudy or rainy days.

Although Purslane (Portulaca) is likely native to North Africa, the Middle East, and the Indian subcontinent, it had reached North America by pre-Columbian times and was in Europe by the late 16th century. It is now naturalized in most parts of the world, both tropical and temperate – equally at home in flower beds, cultivated fields, and roadsides or other disturbed or waste places. It has been grown for more than 4,000 years

Problems

No serious insect or disease problems. Potential insect pests include aphids, gnats, snails and slugs. Stem and root rot may occur in overly moist soils.

Garden Uses

Good for poor dry soils where many other plants struggle. Edging or ground cover for beds, rock gardens or along walks. Containers, hanging baskets. Sprawl over stone walls.