Bring a tropical flair to your garden with hibiscus plants. These sun-loving perennials produce large, showy flowers that can reach 7-8" across. Flower colors can include red, pink and white hues. The plants often grow 3-4 ft. tall and have lush foliage. Hardy hibiscus can be planted as a focal point in the garden or grown in groups to create a flowering hedge. Many varieties are also suitable for containers. When buying hibiscus for sale from Direct Gardening, make sure the variety you choose is suitable for your grow zone. Other factors to consider are the plant's mature height and spread, flower color and foliage color.