Halcyon Plants have Tradescantia plants available for Sale Online which have pretty three petalled flowers and are clump forming perennials. Tradescantia perennials usually produce leaf spikes and then flower stems that grow above the leaves. Some are more upright than others.
Tradescantia plants grow in moist soils in full or part sun. Suited to the border or containers – when grown in borders the plants will scramble through their neighbours.