Mid-March to April is planting time for spring potatoes. Begin with disease-free tubers from a reputable source. Potatoes from the grocery store may not produce a large yield compared with certified seed potatoes.
Early maturing varieties, especially in southern Kansas, are best so tuber development is complete prior to the summer heat. Cut the tubers into 1 ½ to 2-ounce pieces, “seeds”, and store in a warm, humid location for two to three days. This time allows the cut to heal and prevents rot.
Plant the seeds in fertile, well-drained soil when it reaches at least 45 degrees F. Seeds should be planted two inches deep and spaced 12 inches apart in rows 3 feet apart. Potatoes require regular watering.
Practice crop rotation by avoiding planting in an area where tomatoes, peppers, eggplant, potatoes or tomatillos have been planted in the past three to four years.
As potatoes develop along the main stem protruding from the seed, pull loose soil up, or apply straw mulch, over the potatoes. This will prevent them from being sunburned. They will be ready for harvest when the vines are about half dead
