Plant your cutting in a hill of rich soil. As it grows, add more soil to the hill – this will give the plant extra room to grow underground and protect it from weevils. You can usually harvest Okinawan sweet potatoes after 120 to 180 days. 15 people are already talking about this. 22 мар. 2022 г.
How long does it take to grow Okinawan sweet potatoes?
They require about 100 to 120 days to mature, which is why sweet potatoes produce so well in the long, hot summers of the southern U.S. In northern gardening zones, you'll need to start your purple sweet potato crop by warming the soil for a few weeks before planting.
Where can you grow Okinawan sweet potato?
Despite the geographic name famous for cultivating them, they're also commonly grown in Hawaii and are often known as the Hawaiian Sweet Potato.
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