have promised that 'ornamental grasses come in all shapes and sizes, and thrive in a wide range of condition'... which means you don't need full sun to make your coastal garden ideas a reality.
Better Homes and Gardens on MSN26d
8 Easy-to-Grow Ornamental Grasses for Shade
Most ornamental grasses grow best in full sun (at least 8 hours of bright sunlight daily), but few thrive in low-light spots.
GARY BACHMAN/MISSISSIPPI STATE UNIVERSITY EXTENSIONPennisetum, such as this Fireworks variety, is an ornamental grass ... arching habit that prefers full sun and will provide strong fall interest.
Give it a generous plot in full sun, so it can spread its wings and show off its golden seed heads in autumn. As a group of plants, ornamental grasses require remarkably little maintenance.