Birch trees have both male catkins (which dangle) and female catkins (which stand erect) on the same tree. Male catkins release pollen in the spring which blows around until it encounters and then ...

Trees are a must-have for natural shade in your outdoor space. And this fast-growing tree is the ideal species, giving you a ...

In late summer and fall, river birches produce attractive reddish-green flowers (catkins) on the end of the branches. ... a dwarf river birch tree that only grows to 10 to 12 feet tall.

Dear Master Gardener: We would like to plant a large shade tree with beautiful fall color to add to our landscape. Is a ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Paper Birch. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

As the tree matures, the bark transforms into sizable, dull gray or black plates. Winter unveils 3-4 pre-formed staminate catkins on shoots that blossom in early spring, complemented by yellowish to ...

These catkins form in the fall and winter, releasing pollen once the female flowers are ready. I don’t have allergies, so again, this pretty much passed me, unnoticed.

Trees like alder, silver birch, hazel, oak and white willow are the stars of the catkin show. Male catkins steal the spotlight with their longer, showier appearance.

Tree pollen is high. Our highest count comes from birch, cedar, ash and oak trees. We are also seeing some pollen from hackberry, mulberry, pine, cottonwood, willow and elm trees.

In this edition of ID That Tree, we’re going to introduce you to a native Indiana species, and that’s grey birch. It can be found in the northern part of Indiana near Lake Michigan. It can be defined ...

As the days grow longer and the air warms up, nature is bursting back to life. Even before their leaves return, trees produce delicate, fuzzy structures known as catkins. These tiny, downy threads, ...