Palmarosa seed, Cymbopogon martini, is also known as Rosha, Rosha Grass, Palm Rose and Indian Geranium. The aroma from the foliage is rose scented and oil is used widely in aromatherapy, perfume manufacture, cosmetics and repelling insects. Native to Indochina. A perennial grass to 1.2m, with seed heads to 3m. Frost tender.