After this year’s summer drought in Illinois, it is more important than ever to monitor soil moisture conditions and water trees and shrubs going into winter. Drought conditions in the late fall, along with dry air and low soil moisture, can lead to plant damage if no supplemental water is provided.

“If soil is dry, homeowners should consider watering their trees and shrubs this fall and winter,” says Gemini Bhalsod, University of Illinois Extension horticulture educator.

Plants under water stress are more susceptible to insects and diseases. They can also experience injuries to roots...