Irish potatoes (Solanum tuberosum) a term used to distinguish them from sweet potatoes, are indigenous to South America and never Ireland, in which they were a staple food. Potatoes are annuals that may be grown in U.S. Department of Agriculture plant hardiness zones 2 through 11. Depending on the number, potato vines will start to wilt and turn brown between 90 and 120 days after you plant them. This is the time to crop them. The Way Potatoes Mature Potato blooming is just a sign that potatoes are growing. New potatoes that have low starch and high water content grow from the next month. Since the potatoes get larger from the fourth month, their water content decreases, their starch increases and their skins thicken. Their dying vines will tell you that it is time to dig them up. Complete harvesting before freezing weather arrives if you have frost in your…
When to Harvest Irish Potatoes
