Fire Blight: A Cantankerous Disease
August 20, 2018
Emily Stine
Every now and then, I come across a pear or apple tree that has small branches that look like they have been blasted by a torch. Fire blight, as this disease is known, is rampant, and can cause a lot
Mushrooms in the Turf – Fun Guys, or Not?
August 13, 2018
Emily Stine
After a rain, it’s not uncommon for me to see small white-capped mushrooms popping up in the turf. Many people start worrying – does it mean the grass is unhealthy? Does it mean they’re doing
Oh the Gall! Strange Growths on Leaves
July 30, 2018
Emily Stine
One of the most frequent questions I get around this time of year is “what is growing on my leaves?” while being handed a hackberry leaf with knobs on the back. These knobs are galls – abnormal
Japanese Beetle Biological Control Release
July 15, 2018
Emily Stine
Japanese beetles ( Popillia japonica) have become numerous around Denver Botanic Gardens – I can’t walk near grapes, roses or other flowering plants and not see them. Even though these insects are
Biological Control: Controlling Insects with Insects
July 10, 2018
Emily Stine
When it comes to pest management, Denver Botanic Gardens ascribes to Integrated Pest Management (IPM) strategies to manage and control pest populations. One of the critical components of IPM is
Fascinating Fasciation: A Plant Mutation
June 22, 2018
Emily Stine
While on one of my scouting tours through the Gardens, Mike Bone, curator of steppe collections and one of the horticulturists that manages the Steppe Garden, informed me that the red hot poker plant
Plant Health Highlights Introduction
June 11, 2018
Emily Stine
I'm the Doctor of Plant Health Horticulture Intern at Denver Botanic Gardens this summer. My internship is focused on plant health, with diagnostic projects ranging across topics including nutritional