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Any Intel on the timing of autumn color?

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Any Intel on the timing of autumn color?

Postby FentonForche2 » Tue Sep 10, 2013 7:40 pm

We're thinking of flying back to Denver this fall to see a little bit of autumn color. Anyone have any feeling about when the peak times will be for aspen closer to the Denver metro area? We have a son who is 2 yrs, 3 mos. He can manage a little "hiking" if it's a flat and well worn trail, and he'll tolerate being in the Deuter for 45 mins to an hour, so anything we're able to see will have to be fairly close and easily accessible to Denver, where we'll be staying.

Thanks all!
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Re: Any Intel on the timing of autumn color?

Postby Scott » Wed Sep 11, 2013 2:27 pm

Late September.
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Re: Any Intel on the timing of autumn color?

Postby AndyJB444 » Mon Sep 16, 2013 5:52 pm

Was up around the James Peak Wilderness yesterday, and the apens in the area were just starting to turn. I'd give it 10-14 more days.
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Re: Any Intel on the timing of autumn color?

Postby Niederbayer » Sat Sep 28, 2013 5:39 pm

was at Bassam Ridge and Kenosha Pass a week ago - would give it another week
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Re: Any Intel on the timing of autumn color?

Postby AlexeyD » Sun Sep 29, 2013 6:14 pm

The Elk and Sawatch mountains are near peak right now. Of course, with aspens it varies from stand to stand; on Saturday on the way to Conundrum Hot Springs I saw some still green, and others with their leaves gone. The frosty nights over the past few days should definitely move things along!
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Re: Any Intel on the timing of autumn color?

Postby mconnell » Sun Sep 29, 2013 11:55 pm

AlexeyD wrote: The frosty nights over the past few days should definitely move things along!


Frost does not speed up the changing of the leaves, but it does increase the speed that the leaves fall from the trees. Changing of the leaves is mostly caused by the length of the day, not by the weather. How long the leaves last and how good the colors are does depend on weather.
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Re: Any Intel on the timing of autumn color?

Postby Clark_Griswold » Mon Sep 30, 2013 3:07 pm

Actually, there many factors involved in the removal of the green chlorophyll pigment and the revealing of the other chemicals in the leaves which produce the reds, oranges and yellows we tend to like. Moisture is one factor. Things this year are a bit behind last year in Colorado, in many parts due to more water availability. I was up last week, and peak ought to be about now in the southern tier of the state.
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