![]() Nevertheless, low-lying areas that can serve as frost pockets should be avoided, if possible. ![]() In North Florida, microsprinkler irrigation for cold protection is imperative, especially for the non-satsuma varieties. Satsuma did not sustain any significant cold injury. The last 10 years have experienced temperatures as low as 15 F, and Navel, Minneola Honeybell and Valencia have not experienced damage other than tip burn. The coldest temperatures recorded in Quincy for the winters of 2015–2016, 2016–20–2108 were 26, 26 and 20 F, respectively. To avoid peel tearing, satsumas must be clipped to be harvested and should be handled with care because they are more prone to bruising than most other types of citrus.Ĭurrently, there is an urgent need to diversify fresh-market citrus in North Florida to include varieties that mature from September through December.Īt the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center in Quincy, many varieties and numbered selections have been under evaluation for up to 13 years. They mature and are harvested during a four-week period centered in mid-November. When properly cold acclimated, satsumas are cold hardy down to about 12 to 14 F. ![]() In 2017, the acreage of citrus by county in North Florida was as follows: Gadsden, 120 Jackson, 31 Jefferson, 30 Taylor, 34 Madison, 30 and Suwannee, 20. Satsumas are the most cold-hardy commercial citrus and account for a great majority of the new commercial citrus acreage in North Florida. The relatively mild winter temperatures during the last three decades and the development of microsprinkler irrigation in the early 1990s to reduce the effects of freeze (Figure 2) have led to a resurgence of interest in cold-hardy citrus in North Florida. ![]() A young citrus reset covered in ice from microsprinkler irrigation helps reduce cold injury to the tree. ![]()
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