The Q&A Archives: When Do Kumquat Fruits Ripen?

Question: Recently planted Kumquat tree in patio container. When will the tiny green fruit already on the tree turn into edible fruit? Noticed today there are little white flowers appearing on the tree. Do I have to do anything to the tree at the present time?

Answer: Kumquats ripen from October through March, although some kumquats may have fruit year around. The longer any type of citrus stays on the tree, the sweeter it becomes. The best method is the taste test. When you like it, it's ready to eat! Note that kumquats have a sweet rind and a more sour/tart flesh. (The color of the rind is based upon temperatures and has little to do with the fruit's ripeness.) Since it's November, you've probably started reducing the frequency with which you water. Water slowly, deeply and infrequently to just maintain soil moisture. Fertilize three times a year in Jan/Feb, Apr/May, and Aug/Sept. providing 1/3 of the tree's annual nitrogen requirement each time. Enjoy!

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