Dianthus, Fruit Punch® Sweetie Pie DianthusSweetie Pie Dianthus is a compact mat forming evergreen perennial with blue grey foliage and hairy stems. Masses of fragrant semi double true pink flowers with darker pink eyes bloom first in early summer, and again in early fall if deadheaded. Blooms best in full sun and slightly alkaline, moist, and well drained soil. Heat, drought, and salt tolerant. Type: Perennial Height: 0. 5' 1' Spread: 1 1. 5 Spacing: 1 USDA Hardiness Zone: 4 9 Culture: Full