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, January 5, 2016 at 05:00:27 PM EST
Hello, do you know if these OG Garnet sweet potato slips will grow in zone 8/9, Northern California? There is a bit of snow and ice in winter, but these will be growing in woodchips/compost and shouldn't freeze. My main concern is that it gets cool almost every night, even in summer when days are in the 100-degrees. 60-degrees at night is not uncommon--tomatoes don't ripen well here:). Will this temperature fluctuation impair development of tubers? Thank you for your time!
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, February 22, 2016 at 03:33:01 PM EST
Thanks for the thoughtful question! I know Garnets grow great in Californian as they are a popular variety with commercial farmers, but it is a Big state with lots of different climates. Your zone 8/9 sounds like it may be on the border of being "too cool" for Sweet Potatoes. I am not sure. We do have farmers as far north as New Hampshire and Maine that love to grow this crop. They usually choose the Orleans variety because it matures 7-10 days faster than other varieties, so they are ready to harvest sooner just in case a cold front blows in early. 60 degrees is about the lowest soil temperature that these heat-loving tropical plants will tolerate, but if it is 100 degrees during the day then the soil is not going to become 60 degrees overnight. Our slips ship on May 31st so you can grow them during the warmest part of the year. I think you will get good results growing over the summer. In my opinion it is worth a try. Hope that helps!
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