During the spring and summer the leaves have served as factories where ... Some mixtures give rise to the reddish and purplish fall colors of trees such as dogwoods and sumacs, while others give the ...

Witch-­‐hazel (yellow), found in many dry and wet forests, also blooms (yellow, strap-­‐like flowers) while reaching its peak fall colors. Maple-­‐leaf viburnum (pale pink tones) occurs in many dry ...

The calls started in August – people dialing in to the Minnesota Landscape Arboretum to find out when the fall colors would erupt before they planned their visits. But so many factors go ...

The red colors in leaves are created by anthocyanin ... In some trees, such as the Norway maple, anthocyanins may be present in such high quantities that the trees have a red or purple leaf throughout ...

Here are some of the best cultivars of red maple: 'Armstrong': Grows in all 50 states, has attractive silver-gray bark, columnar in shape, spectacular red to orange to yellow leaf color.

We'll see about that. Maria, research librarian, National Library of Canada: It's not a Canadian thing, per se, but the Maple Leaf is an important national symbol. And why's that? It goes back a ...

Learning about the art of maple sugaring, when the sap from trees is collected to make syrup while on a hike, a cooking demonstration, and a tasting Saturday at Robinson Nature Center.

Leaf color change in the fall is more than just ... For example, certain maple varieties are genetically predisposed to produce more anthocyanins, resulting in deeper reds and purples.