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Trees - Knowledgebase Question
Perennials
Omaha, NE
Question by
lseyl
November 12, 1999
What actually tells a tree it's time to change leaf color and drop leaves, is it the sun or temperature?
Answer from
NGA
November 12, 1999
Here is the address of a spot on the web with great info on fall leaf color change:
http://www.dnr.state.wi.us/org...
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