Winter Cropping Veg Mix Grow your own goodness this winter! For those who want to keep cropping through autumn and into winter, why not grow Swiss Chard Seakale outside now. This extremely cold hardy variety will give you tasty leaves within weeks or can be left to produce larger leaves and stems which can be braised or steamed like asparagus. Perfect to serve with fried garlic and cubed potatoes for a light and tasty meal. Mix contains 11 value plugs each of Swiss Chard Seakale and Winter Mix Salad Leaves.