Perennial Herb: An upright grower, best for containers to avoid spreading vigorously. Sharp citrus/grapefruit aroma and flavor. Great for culinary use - garnish fruits, salads, desserts and summer drinks. Attracts butterflies and bees. Bloom time: summer. Bloom color: mauve. Ht: 18-24". Exp: sun/part shade. Water: moderate. USDA Z6