Can insects change coloration? This column describes how insects have adapted to change color and how humans have, in some cases, facilitated that change.
Q. I'm concerned about the black sacs shown in this picture that are on a tree in our yard. I'm not sure what type of tree this is, but it is approximately 8 years old. The leaves turn purple in the fall instead of any other color. Is this an infestation that can be cured, or does the tree need to be removed? - D. L., Muenster, Indiana
What should you be doing with your indoor plants, yard, and garden in the month of January? Rosie Lerner, Purdue Extension horticulture specialist, has a list of things to check and plan for during the first month of the year.
When winter temperatures dip below zero and winds howl across the prairie, gardeners may worry that their trees and shrubs are taking a beating. No need for doom and gloom yet - most hardy landscape and orchard plants are reasonably able to cope with most of our winters, including our recent polar vortex.
Misconceptions about bed bugs abound in social media. This column explains how and when bed bugs became a pest in America and what physical and psychological harm they actually may cause for people.
Q. I would like to know, how do you get Christmas cactus to bloom? - O.S., Floyds Knobs, Indiana
'Millenium' is a hybrid Allium selected for late flowering. It has masses of rose-purple blooms; a uniform habit; and neat, shiny, green foliage that remains attractive long after blooms have faded. It is also known for its resistance to drought. And now it's the 2018 Perennial Plant of the Year!