Tender Perennial. Add the beauty of carnations to your garden. Scarlet, purple, pink, white, yellow and bicolored flowers combine with elegant, blue-green foliage to create a palette of colors in your garden. Plants produce best color during second year. Excellent cut or dried flower; one flower per stem. Reliable perennial in USDA zones 6-9; with care, (protection from severe cold) may survive to zone 4.