Nasturtium Alaska is a fast growing annual, with stunning variegated leaves. blossoms are 2 - 3 inches across and come in shades of red, orange and yellow. The leaves are rounded or shaped like a shield and have a central leaf stalk. Looks spectacular spilling from a hanging baskets. They are easy to grow with edible leaves, flowers and seeds that have a pleasant, peppery flavor. The leaves and flowers are used in salads, pesto sauces and food decoration on spectacular cakes.