Chrysopogon zizanioides, commonly known as vetiver, is a clumping, perennial grass used as an ornamental grass in USDA Plant Hardiness zones 8 through 11. The attractive tropical-looking grass features blue-green blades that bend over sharply at the ends. Vetiver grass is also known for its fragrant roots that are used to make potpourri and essential oils. Vetiver grass is a beautiful plant that grows with little difficulty.
Prepare a weed-free garden bed in full sun. Vetiver grass seedlings are not shade-tolerant and require six or more hours of direct sunlight per day for healthy growth. Work 3 inches of peat moss, 2 inches of leaf mold and 1 inch of coarse horticultural sand into the top 6 inches of soil, using the tiller.
Broadcast the vetiver grass seed over the surface of the bed. Cover the seeds with no more than a half-inch of soil and rake the bed to a smooth finish.
Irrigate the garden bed with a half-inch to three-quarters inch of water to moisten the soil after sowing the seeds. Continue to irrigate vetiver grass with up to an inch of water each week during spring and summer. Vetiver requires frequent irrigation to establish strong roots.
Wait to fertilize the vetiver until the plants reach 10 to 12 inches tall. Feed vetiver grass with a balanced, water-soluble fertilizer once a month while actively growing.