Grow & Cook Your Own Potatoes Fresh From The Vegetable Patch Second Earlies: If planted in Autumn would be ready to harvest within 12-14 weeks. The tubers are long with a yellow skin, a firm yellow waxy flesh & have very high resistance to Foliage & Tuber Blight. This favoured variety is most commonly used in salads in the United Kingdom as they are packed with flavour & have excellent cooking qualities.