Pretty flowers can be found everywhere in the Dominican Republic. Don't believe me? Check out this photo essay of beautiful flowers found in the DR. http://wetravelandblog.com/2013/travel-photography/travel-photo-essays/flowers-dominican-republic/
Iris reticulata are superb early flowering bulbs for spring colour. They are compact, so ideal for containers, usually about 10-15cm tall with large, long flowers. You can also plant them direct into the ground to give splashes of brightness and colour.