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Hamlin Orange
Type and parentage: Sweet Orange
Average diameter (inches): 2 3/4 - 3
Seeds per fruit: 0-6
Commercial harvest season: October - January
Hamlin is the most widely grown early sweet orange in Florida and the tree among the most cold tolerant. Several selection are available. Its earliness makes much of its harvest possible before the onset of winter freezes in Florida. Because of its high yields, Hamlin is the most productive on the basis of pounds of solids per acre even though solids per box are lower than for Pineapple and Valencia. Its juice color score is also low, particularly on lemon-type rootstocks so the juice is blended with that of other varieties to meet color standards. The fruit of this variety will develop a good natural color break. Small fruit size can be a problem for the fresh fruit market, particularly during heavy crop years and when soil potassium levels are
inadequate. The fruit is susceptible to splitting and creasing and will frequently drop heavily later in the season. There is apparently little significant effect on the following bloom and fruit set from holding fruit late on the tree.
Selections available at the Immokalee Foundation:
H-1-4-1-X-E: This old line selection by Wards Nursery is the first Hamlin introduction into the budwood registration program. Typical Hamlin traits, excellent yields.
H-8-1-4-X-E: The Story Hamlin from Winter Garden which has been a top yielder in DPI records.
University of Florida, Institute of Food and Agricultural Sciences, 1999
Florida Department of Agriculture and Consumer Services, Division of Plant Industry, Bureau of Citrus Budwood Registration
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