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 potatoes from late winter to late springâas early as 4 to 6 weeks before the last average frost date in springâdepending upon the number of days the variety you are planting requires to mature to harvest.