Scent First ‘Coconut Surprise’ Dianthus (Dianthus Hybrid ‘WP05 Yves') boasts crisp, white flowers with burgundy centers. The double and semidouble flowers emit a rich, spicy fragrance and sit atop evergreen foliage. Bonus? The flowers are long-blooming and can handle drought once established. ‘Coconut Surprise’ Dianthus is hardy in Zones 5A – 9B.