Portulaca grandiflora, which in Latin means "large-flowered," adds a profusion of brilliant blooms to any garden. The flowers of portulaca close at night and reopen the next morning.

Fertilizer. Like many annuals, Niemann says portulaca will benefit from fertilizer during the growing season. A liquid, all-purpose, or slow-release formula is best for these flowers.

Portulaca grandiflora, ... Add some bright colours to your garden September 14, 2014. Pentas or Star-cluster October 21, 2012. Desert Rose August 12, 2018. Sign Up For The Morning Brief.

Moss rose (Portulaca grandiflora) ... Saturday: “Work Day at Amy Greenwell Garden” from 9 a.m. to 12:30 p.m. Meet at the garden visitor center across from the Manago Hotel in Captain Cook.

Meet the Expert. Sam Niemann, garden expert and founder of Bleume, a plant food company. Related: 15 Annual Flowers That Bloom All Summer Long How to Plant Portulaca from Seed. Portulaca can ...