Grow mammoth-sized kale that remains tender even as the leaves grow to an astounding 3 feet long. Its leaf structure also makes for easier pest management. Those who have struggled with cabbage worms understand how caterpillars love to hide in the folds of curly kale leaves. This variety is just lightly curled at the edges, making caterpillars easier to spot and treat. 25 seeds Depth: 1/4 inch Spacing: 1/2 inches Soil type: well draining, fertile Sun: full sun Days to harvest: 65 days Hardiness Zones: 5-10 Best grown in frosts of spring or fall. Direct seed or transplant 2-4 weeks in spring or 8 weeks in fall before frosts dates. Prefers rich soil.