Aspen residents can recycle their Christmas trees for free through a city program in partnership with Aspen Tree Service. The ...

Pando is an ancient quaking aspen tree (Populus tremuloides ... Each stem is a clone of the one next to it and originates from a single seed that started growing up to 80,000 years ago during ...

Once the living aspen trees die, there may not be any new growth ... Although aspens can produce seeds, the most successful method of reproduction occurs when new sprouts, known as “suckers ...

Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...