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Rhonda J. Ferree

Rhonda J. Ferree
Former Extension Educator, Horticulture

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Rhonda Ferree's ILRiverHort

Rhonda Ferree's Horticulture Blog

Emerald Ash Borer Frequently Asked Questions (FAQ)

Questions and Answers. Question . Should I do a preventative treatment on my ash tree, even though it doesn't have the pest yet? Answer . University of Illinois Extension recommends doing a preventative treatment for Emerald Ash Borer only when the beetle has been confirmed within 15 miles of your ash tree. Consult the latest quaranti...

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Green roof at Illinois Dept of Ag in Springfield
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Green Roofs Becoming More Popular

Recently I toured the Illinois Department of Agriculture's green roof on their administration building at the State Fairgrounds in Springfield. It is an impressive sea of green sedum growing atop a structure of concrete and steel. Green roofs are becoming an important part of sustainable urban development. These living roofs provide many benefits, including reducing sur...

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Protect You and Your Family – Understand West Nile Virus

It is time to think about mosquito control and the prevention of West Nile Virus. Since we don't know what this mosquito season will bring, don't let down your guard. Remember to "dump the water" and follow these tips to protect yourself and your family from mosquitoes. Make sure that doors and windows have tight-fitting screens. Repair damaged screens. Caulk around loose fitting...

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Ornamental Pear
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Callery Pears Becoming Extremely Invasive!

Although ornamental flowering pears are beautiful in the spring, they have several severe problems. Below is a portion of an article written by Sandy Mason, Extension Educator in horticulture based in Champaign, IL. Since this article was published in 2005, ornamental pear problems have escalated out of control with even many more municipalities banning their use. 'Brad...

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Berry News from Extension Educator Mike Roegge

Weekly Crop Update 7-9-14 By Mike Roegge, University of Illinois Extension, Adams/Brown/Hancock/Pike/Schuyler Strawberry harvest was completed several weeks ago, but there is still a little time to renovate the patch if you've not completed that chore yet. You want to do this as soon as harvest is completed, but we still have another week or so. Renovation is done to prepare the...

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Japanese Beetles – lower numbers this summer!

Posted by Rhonda J. Ferree - News for Homeowners...

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IMG 0728
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Thousand Cankers Disease Threatens Walnuts

Thousand Cankers Disease was recently confirmed in Indiana, putting the disease threateningly close to Illinois walnut trees. Kelly Estes, Agricultural Pest Survey Coordinator for Illinois Natural History Survey, reported on this discovery in the June 23, 2014 issue of University of Illinois Extension's Home, Yard, & Garden Pest newsletter. "The Indiana Department o...

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Froggie among the iris on 5-18-12
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White Adds Simple Elegance to a Garden

July brings us our seventh gardening trend for 2014: Simple Elegance: Think one color flower in an elegant container . Many people think of a mono-chromatic color scheme as boring, but it can be quite impressive The Garden Trend report focuses on white as a way to make your garden beds or containers stand out. In the report Kristine Lonergan from GreenPr...

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