QuestionsHow to growVegetable GrowingPotatoeslatest time to plant spuds 0 Vote Up Vote Down Michele asked 15 years ago I have some main crop potatoes King Edward. Is it too late to plant them? There seems to be so much frost around and very little growth here in Kildare. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Potatoes can be planted in April or early May.Â