Generally, “new” potatoes are ready approximately 60-90 days from planting, depending upon the weather and the potato variety. One sign that young potatoes are ready is the formation of flowers on the plants. At this stage the potatoes are usually less than two inches in diameter.

How do you know when it's time to dig up potatoes?

It's time to dig up your tender, homegrown potatoes when the buds drop or the flowers that do bloom begin to fade. Another good indication is seeing unopened flower buds dropping from the plant. At this point, the leaves will still be green but some will begin fading to yellow.

How long after potatoes flower Are they ready?

They are generally planted around late April and should be ready for harvesting about 10-12 weeks later. Again, and as for earlies, they will not be ready for harvesting until they have at least finished flowering.