Of all the hardy orchids for sale, none are easier to grow then Bletilla. These spring-flowering perennial hardy orchids are quite durable in a wide range of garden conditions. If you have always thought hardy orchids were difficult to grow, then give Bletilla a try. Bletilla flowers are somewhat reminiscent of the popular house plant Orchid Dendrobium, only they are smaller. In the wild, this hardy orchid grows in semi-wooded conditions, in the shade of tall grass meadows, and along the edge of forests. In the garden, feel free to plant them in a partial sun spot with moist, well-drained soil. Bletilla striata, also commonly called Chinese Ground Orchid, is a terrestrial orchid that produces cattleya-like pink, purplish flowers atop papery-textured sword-shaped pale, green leaves.