A truly beautiful low growing ground cover type plant is called the portulaca (Portulaca grandiflora), or sometimes known as the sun rose or moss rose. Portulaca flowers are truly beautiful in various garden and landscape settings and have been used to beautify old structures and stone walkways, as they grow well in the old cracks in the structures where winds have deposited just enough soil to support them. Portulaca flowers are beautiful growing around the stones of a garden path with their mix of beautiful colours of pink, red, yellow, orange, deep lavender, cream and white. . Portulaca plants are native to Brazil, Argentina and Uruguay. Portulaca flowers are easy to grow and enjoy. Common name(s): Moss rose, Pigweed, Purslane Flower colours: varies Bloom time: Summer season Max reacahble height: 8 inches tall, spreading up to one foot Difficulty to grow:: Easy to grow Planting and care Portulacas love it hot and dry. You can plant them in poor, even sandy, soil. They also adapt to average garden conditions. Just give them full sun and any well-drained soil. Water them after planting and watch them go. They ll grow 4 to 8 inches high and spread 6 to 18 inches. You don t even have to deadhead.