Perennial: Deer resistant. Somewhat drought tolerant. Will self seed. Longer flowering period, more compact and well-branched than the species. Great for the perennial border or meadow. Attracts butterflies. Good cut flower. Has fragrant leaves. Bloom time: summer. Bloom color: soft pink to silver-white. Height: 12-18". Spread: 12-18". Exposure: sun/part shade. Water: moderate to dry. USDA Z4.