85 days. Brassica oleracea var. tronchuda. Portuguese Kale Seeds. Non-GMO, annual, heirloom, open-pollinated. This crop is suitable for containers, garden plots, raised beds, and fields. Large, tender, cabbage-like leaves with broad white ribs; classic for Portuguese “caldo verde” soup. Productive plants with better heat tolerance than traditional kale. ~8,000 seeds/oz.