Citrus > Cold Hardy Citrus
28 F, -2.2 C
hardyvermont:
It is going to freeze next week. Do citrus fruit survive without damage at 28 F, -2.2 C temperature?
June flowers on a couple Poncirus hybrids set fruit and I want them to have as much time on the plant as possible for the seeds to develop.
Millet:
Probably could make 28, but to be sure you could put it in a warmer location.
Galatians522:
I believe it depends on the duration and variety. Grapefruit and other thick skinned citrus fare a little better. But as I recall oranges will freeze if it is that cold for very long. You won't notice it right away, but the fruits will start to dry out and then drop off. I would definitely protect them. Especially since weather forecasters have been known to be off by several degrees.
Citradia:
I don’t take a chance with fruit on tree. I cover and try to avoid freezing the fruit. My grapefruit and meiwa fruit have to go the entire winter on the tree before ripe. It’s distressing to cut a beautiful red grapefruit in half and see it a dry husk inside. Too much effort put in to not get a crop.
orangedays:
Are these in the ground cold-hardy plants that don't need protection just the maturing fruit?
Seed from Poncirus that go through cold winters in the SC upstate will germinate, so if the fruit are mature enough, the cold probably won't harm them.
The seed may be mature enough to germinate and grow now, even though they were set in June. I had 3 fruit from a tangerine X PT cross this summer and a fruit split open in July and another in August. The fruit ripen late October. Anyway the seed from the fruit that split in August were firm and germinated when planted. These seed were two months immature. The seed from the one remaining mature fruit are just starting to germinate.
Also I believe if you pick and store the fruit, the seed inside will continue to mature as long as the fruit is alive. Of course the fruit will start to die after a month or so but it can buy some time.
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