Winds NNE at 10 to 15 mph. Evening: Cloudy skies this evening will become partly cloudy after midnight. Low 44F. Winds ESE at 5 to 10 mph.
But it can take 70-90 or more for potatoes to mature. This depends on the variety. The potatoes can carefully be harvested at 7-8 weeks for a early harvest of small potatoes. For full grown potatoes you would harvest in the fall when the leaves turn brown. But it can take 70-90 or more for potatoes to mature.
Plant âmidseasonâ harvest potatoes 4 to 6 weeks before the last frost in spring for fall harvest. Plant âlateâ harvest potatoes in spring for fall harvest. Allow 120 frost-free days from planting to harvest for âlate-seasonâ varieties.