Harvesting

By SeeditrightPublished 6 min read
  • Harvest
  • Timing

When Are Potatoes Ready to Harvest?

Flowering often signals new potatoes; for storage crops, wait until vines die back and skins set.

Readiness depends on whether you want tender new potatoes or durable storage potatoes.

New potatoes

  • Often ready about 6–8 weeks after planting
  • Flowering is a common cue that early tubers exist
  • Skins are thin and rub off easily — that tenderness is the point
  • Eat soon; they do not store like cured mature tubers

Storage potatoes

Signs of maturity:

  1. Plants yellow and die back naturally (or after frost)
  2. Skins no longer rub off easily with a thumb
  3. Many gardeners wait about 2 weeks after vine death before digging so skins thicken (Maryland / Clemson pattern)

Days to maturity on the seed packet (often ~90–120 days) is a planning estimate, not a stopwatch.

The thumbnail test

Rub a tuber gently. If skin slips, wait longer for storage harvests (or enjoy them as new potatoes). If skin holds, you are closer to curing stage.

What plants look like

Ready storage crops often look spent: yellowing stems, collapsing canopy. Green, lush plants usually mean tubers are still bulking — unless disease killed foliage early, which can leave undersized potatoes.

Small harvest troubleshooting → Why Are My Potatoes So Small?

Dig next → How to Harvest Potatoes