Portulaca has always understood something that more pampered plants ignore: that thin, rocky soil baked under a full afternoon sun is not a hardship but a home. Native across the southern hemisphere and into the Americas, this sprawling annual carries its succulence in narrow, fleshy leaves clustered at stem tips, storing water with a quiet pragmatism that makes it indispensable in containers, wall crevices, and forgotten dry borders. The genus name — Latin for little door — refers to the hinged lid of its seed capsule, a small mechanical marvel that opens to release each generation anew.

Grow it as a self-sustaining mass or a trailing basket plant; either way, it asks for little beyond drainage and sun. Flowers close at nightfall and on overcast days, which gives each bloom a fleeting quality that makes the sunny hours more vivid by contrast. Start seed indoors six to eight weeks before last frost, or sow directly once the ground warms — the plants will often self-seed without becoming a nuisance, returning year after year in the same warm, dry pockets where they were first welcomed.