Poinsettias (Euphorbia pulcherrima) are US households' most popular holiday plant.  It is estimated that over 30 million poinsettias are sold each year around the holiday season, accounting for about one-quarter of all flowering houseplants sold in the US year-round.  That is a...

Wintertime offers few activities out in the garden, other than filling bird feeders and carefully watching dormant plants for any sign of awakening as spring nears.  However, winter dormancy is the ideal time to prune woody plants.  With trees and shrubs inactive in their winter slumber,...

Woody plants are some of the largest and most long-lived plants in the landscape, forming the majestic and expansive canopy of our urban and natural forests.  With all of this wonderful woody growth, have you ever stopped to think about why woody plants attain greater height than their smaller...

Whether its fungi, bacteria or even viruses, one of the most important aspects of plant disease management is stopping or limiting the spread of infectious pathogens.  I have always been fascinated by the way these tiny organisms, rarely visible to the naked eye, make their way through nature...

It has been another difficult spring for sycamore trees across central Illinois as near bare canopies of this tree stick out among the fully developed leaves of neighboring trees.  However, this doesn’t necessarily spell doom for your sickly looking sycamore.  It’s all caused by naturally...

There is a growing body of research supporting the use of native plants in landscaping to preserve local biodiversity and sustain native wildlife populations. Currently, much of our urban plant composition is not comprised of native species, based on the general public’s historical preference...

Winter is a stressful time for many plants in the landscape, given the drought conditions brought on by freezing temperatures and the effects of extreme cold. Although these stressors typically don’t impact our houseplants the same way, indoor plants experience their own form of winter stress,...