Planting purple sweet potatoes can be challenging, as they require a long growing season (around 120 days), and consistent, hot weather. 8 нояб. 2020 г.
How do you know when purple potatoes are ready to harvest?
Plant die-back indicates that's its time to harvest the potatoes. Fall and winter-planted early potatoes, typically planted in August or February, are usually ready for harvest in June or early summer. Allowing the plant to die back ensures the skins of the tubers harden enough so they don't scratch off easily.
How do you know when sweet potatoes are ready to harvest?
Sweet potatoes are usually ready to harvest just as the ends of the vines begin to turn yellow, or just before frost in the North. To avoid injuring tubers, find the primary crown of the plant you want to dig, and then use a digging fork to loosen an 18-inch wide circle around the plant.
How long do sweet potatoes take from planting to harvest?
How to harvest. It will take sweet potatoes between 90 and 170 days to grow depending on the variety. You'll know when your sweet potatoes are ready to harvest when the leaves start to turn yellow. Keeping in mind that the longer you keep them in the ground the more vitamins they'll absorb and the bigger they'll grow.
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