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I live in southern California. I see some trees with leaves turning dark red or dark brown but it's January.
Why would that happen? I've lived in Illinois or New York, of course it only happened Sept-Nov.
I live in southern California. I see some trees with leaves turning dark red or dark brown but it's January.
Why would that happen? I've lived in Illinois or New York, of course it only happened Sept-Nov.
I don't know what species of trees these are.
Possibly some kind of Oak such as Live Oak. Post a picture of some of the leaves and we might be able to identify them.
Leaves don’t “turn” red or orange. Those pigments are always there. Instead, the green pigment chlorophyll that is mixed in can be removed/lost because of the season (daylength and temperatures) OR due to things like mineral deficiencies.
The seasonal thing is usually linked to changes in plant hormone levels. And of course genetics determines how sensitive each factor is.
Actually, it's possible those trees have been dark red since November but I just never noticed it. This renders the whole thread valueless.
Well, you are in S CA. Seasonal temperature change can be pretty gradual. There are probably dozens of non-native deciduous tree species introduced to developed areas there. How they react to those climatic conditions during any one year probably varies a lot. The decrease in chlorophyll/color change is part of their preparation for dormancy. It's also possible you only noticed those trees' leaves because other trees associated with them are in full dormancy and are leafless. If you can't recall noticing a change before and don't even know what kind of trees they are, anything's possible.
A couple years ago I went to Orlando in late January. It was this bizarre combination of spring and fall, the azaleas were blooming but also the occasional red maple I saw here and there had its fall colors.
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