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Organic Seed Potatoes
In addition to USDA organic certification, our heirloom seed potatoes are certified by the Wisconsin Seed Potato Program which requires multiple farm inspections during the growing season and winter grow out period to ensure premium, disease-free seed potatoes. Annie’s organic seed potatoes thrive in gardens across the country producing impressive yields of hefty, flavorful potatoes.
Our organic seed potatoes are harvested in August and September then held at 38°F in complete darkness and high humidity until spring to ensure you receive the highest quality product. When you receive your seed potatoes, they may not have visible eyes because they have been in dormancy throughout the winter and require light, warmth, and a bit of time before they are ready for planting.
When your seed potatoes arrive, place them in a light, warm (not hot) area and allow them to “wake up” before planting. Your seed potatoes should be at least as warm as your soil at planting.
Your planting date will depend on your location and gardening preference — late April into June is typical for most of our gardeners. If you are an experienced potato grower with optimal soil and conditions (full fertility, full irrigation, and a weed-free environment), you can expect 13 pounds of potatoes for every pound planted. If you are a newer grower or have less than optimal growing conditions, you can expect 5–10 pounds of potatoes for every pound planted.
A 2-ounce seed potato is recommended. Generally, smaller pieces will yield fewer, larger potatoes and larger pieces will yield more, smaller potatoes. Cut the seed potatoes so there is an eye/ eyes on each piece. The eye is the growth point on your seed potato — no eye, no potato plant.
After cutting your seed potato, allow seed pieces to heal over; the cut area will form a skin. We leave our cut seed potatoes in a warm area for a several days before planting.
In general, potato seeds planted in narrow spacing (4–6”) produce more, smaller potatoes. Seed potatoes planted in wider spacing (10–12”) produce fewer, larger potatoes. We space Kennebac seed potatoes at 10” to keep their size smaller. Dark Red Norlands do well in denser plantings. Plant all seed potatoes at a depth of 6–8” with the cut side down and eye/eyes pointed up. Mound soil around plants as they grow leaving just a few leaves at the top of each plant above ground.