Imagine your own tasty home-grown potatoes Second Earlies: If planted in Mid March would be ready to harvest within 12-14 weeks. Culinary uses include boiling, baking & salad. Offers good resistance to Powdery Scab, Gangrene, Damage, Bruising & Skin Spot. Maris Peer potatoes with patio planters are perfect for people with limited space in their gardens. producing a big crop of oval, white tubers with a white, creamy flesh.