Trees

Happy Arbor Day! This celebration began in 1872 as a day to plant and appreciate trees in the natural world around us. With over 150 years celebrating Arbor Day, various states and countries have helped plant new trees and educate various populations about why trees are so important in our...

Trees in neighborhoods enhance our environment by creating beautiful green landscapes, providing climbing fun for kids, and offering us shade on sunny days. More importantly, trees play vital roles in our ecosystems, including storing carbon, which is advantageous when discussing the management of...

The Thanksgiving meal has been had (hopefully with a local turkey and/or local produce) and now it’s time to start thinking about putting up a tree for Christmas. Did you grow up with a fake plastic tree like some of my friends did? If so, that’s ok, but there is another way. Every year about this...

Some trees may be showing damage from the late frost much of Illinois had in May for several months to come as well as diseases that pop up during the rainy, cool spring weather. Watering during the hot dry months of summer will help these trees back to being a beautiful specimen. Frost stress in...

Originally published by Kelly Allsup on May 7, 2021. If you didn’t know, we are cultivating invasive trees in backyards and urban settings. Tree-of-heaven (Ailanthus altissima) and Amur corktree (Phellodendron amurense) are outcompeting surrounding plants...

Do you see those beautiful white flowering trees lining the streets and backyards? These delicate white blossoms, made brighter by the months of winter endured, are actually an environmental hazard to the Illinois wilds. Callery Pear season is upon us. It’s actually ...

Like a scene from an old western: with a pair of sterilized pruners, and her boots, horticulturists Kelly Allsup walks up to the newly planted English White oak hybrid. Her sole intent of increasing the life of an urban tree. She walks around...

Decorating with fresh greenery is a treat for most gardeners getting ready for the holiday festivities. Some buy greens from a local garden center, but did you know you can harvest branches from evergreen conifers to use in your holiday décor? Whether you are making wreaths, porch pots or swags,...

If you are spending more time out in your backyard this week, you may have noticed some of our central Illinois trees are super ugly this spring. Maple leaves have black splotches, sycamore branches are falling to the ground and ginkgoes leaves are sparse and crinkled. All these symptoms are tree...