Name: Ornamental kale, Brassica oleracea .

Season: This ornamental is a true biennial that is treated like a fall annual. Once the frost and mildew have knocked out the annual flowers in late summer and early fall, it is time to put this frost-hardy plant into the soil. Light frosts and freezing temperatures in the fall intensify the color of the blue-green outer leaves and the colorful center rosette of leaves.

The plants often remain attractive well into early winter.

Description: Plant breeders have selected kale varieties that are noted for their unique and gorgeous green, pink, purple, red and white foliage. The foliage is often ruffled and deeply lobed. Plants grow to a height and spread of about 18 inches.

Planting instructions: Transplants are readily available at garden centers and nurseries, starting in late summer. Planting is usually delayed until frosty weather. This rules out the insect problems that come with members of the cole crops. Plants may be started from seed planted in early August. The seed requires light, so it is broadcast thinly and not covered. Seed germination takes place in seven to 10 days. Select sunny planting sites that have well-drained soil.

Usage: Fall flowers are somewhat limited to asters, pansies and mums. Ornamental kale is a good addition to this group. It not only has unique and colorful foliage, but it thrives in frosty weather. When planted in a protected site, if the winter is mild, the plants may remain attractive until spring. The foliage is edible and often used as a garnish.