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Mystery of Marcescence Newsletter




Red oak with marcescent foliage

Red oak without marcescense


Why do some deciduous trees hold onto their brown leaves all winter?

The condition is called marcescence. It literally means “withering but persistent". For plants that means that leaves turn brown in the fall but stay on the tree through the winter and release in the spring when bud swelling of the upcoming new growth pushes the old leaves off. For the rest of the story, Click Here.

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Naturally yours,

Howard Garrett
The Dirt Doctor


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