Spring is a great time for planting new trees in the landscape. There is ample rainfall to support your newly planted specimen and the warming temperatures and mild weather motivate many of us to get out in the garden and plant things. However, there are some commonly sold trees that fall...

Invasive species can be characterized as any non-native species that is introduced to a new location, has the ability to spread and causes some kind of harm.   Across Illinois and around the globe, invasive species cause significant ecological and economic damage each year.  In the...

Not all trees shed their leaves in coordination during fall. You may have noticed that some trees are still holding their leaves this week, and many of those will likely hold them until spring. Each winter, I get a number of questions on this topic as folks ponder the “not-so-deciduous” deciduous...

The management of Illinois’ forests has become an increasingly difficult task for landowners focused on maintaining and enhancing native plant diversity. I have often thought of it as a similar process to weeding a vegetable garden, with a diverse mix of our native forest trees as the vegetable...

The management of Illinois’ forests has become an increasingly difficult task for landowners focused on maintaining and enhancing native plant diversity.  I have often thought of it as a similar process to weeding a vegetable garden, with a diverse mix of our native forest trees as the...

In early July, the Illinois Department of Agriculture submitted a press release detailing the detection of a new pathogen in Illinois that threatens our native oaks. This non-native pathogen is the causal agent for a very serious disease known as sudden oak death. However, there may be some good...