Potatoes
The humble potato rewards patient gardeners with a buried treasure of starchy, versatile tubers that form almost anywhere the soil is loose and cool.
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From the Andes to Every Table
Potatoes originated in the highlands of Peru and Bolivia, where Indigenous farmers cultivated thousands of varieties for thousands of years before Spanish explorers introduced them to Europe in the 16th century. Today Solanum tuberosum is one of the world's most important food crops, prized for its caloric density and extraordinary culinary range.
Varieties run from floury russets and waxy fingerlings to vivid purple and red-skinned types, each with its own texture, flavor, and best culinary use. Knowing your variety matters: determinate types like Yukon Gold set tubers in a single layer and need less hilling, while indeterminate types like Russet Burbank produce tubers up the entire buried stem and benefit from repeated hilling.
Planting & care
Plant certified seed potatoes (not grocery-store spuds) in early spring, 2-4 weeks before your last frost date, once soil reaches at least 45 degrees F. Cut large seed potatoes into egg-sized pieces, each with 1-2 eyes, and let them cure for 1-2 days before planting. Set them 4 in deep and 12 in apart in rows 2-3 ft apart. Hill soil up around stems every 2-3 weeks as they grow, keeping tubers covered to prevent greening.
Water deeply and consistently, especially from flowering through tuber bulk-up. Irregular watering causes hollow heart and knobby tubers. Stop watering once vines begin to yellow and die back. Fertilize at planting with a balanced fertilizer, then side-dress with a low-nitrogen formula at hilling to encourage tuber development over leafy growth. Rotate potatoes with non-Solanaceae crops on a 3-4 year cycle to break pest and disease cycles.
Green Means Stop
Any part of a potato exposed to light turns green and produces solanine, a mildly toxic glycoalkaloid. Always hill diligently, harvest promptly after vine die-back, and discard any tubers with significant green patches. Store cured potatoes in a cool, dark, humid space around 40 degrees F for the longest shelf life.
How much sun does Potatoes need?
Potatoes grows best in full sun.
How often should you water Potatoes?
Give it about 1-2 in per week, consistent moisture especially during tuber set.
When is Potatoes ready to harvest?
Potatoes is usually ready in 70-120 days depending on variety; new potatoes at 10 weeks, full maturity at vine die-back.