Slipper Plant is one of the best container plants for warm climates. In the fall and spring, unusual orange-red slipper-shaped flowers appear along the stems. Lady's slipper needs good drainage, and is extremely drought tolerant, requiring only bi-monthly irrigation, even in containers. In the hot low deserts it appreciates some filtered shade. It will tolerate full sun, but in the hot low deserts it appreciates some filtered shade. It is ideal for xeriscaping and for use under desert trees. USDA Zone 10.