Tag Archives: invasive

Control of reed canary grass

By Bryon Walters, Conservation Contractor, near Mendota Illinois In early Spring 2018, I wanted to reduce Reed Canary Grass (Phalaris arundinacea) in a very nice, perpetually wet seep area. This area in late May will be solid Skunk Cabbage, Marsh … Continue reading

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Siberian elm controlled by basal bark herbicide

20% garlon 4 in basal bark oil sprayed at the base of invasive Siberian elm, Ulmus pumila, kills these small elm trees growing in our prairie planting.  Above is one dead elm.  There is a small ring of dead, or … Continue reading

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Basal bark application part 4

Previously I described success in killing honeysuckle with October and May applications when the leaves were on the stems of the shrub.  Here are a few kill counts we have from dormant season applications with leaves off: March 6 and … Continue reading

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Basal bark application on honeysuckle part 1

Basal bark works.  Applying brush herbicide with a mineral oil carrier allows the herbicide to be sprayed on the bark.  The mix absorbs into the basal cells of the bark where all the action occurs in a tree or shrub.  … Continue reading

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Fire does not kill the roots of invasive honeysuckle

Fire top kills honeysuckle, but does not kill the root.  We have burned our Bennett woods unit annually for about a dozen years.   The fires top kills most of the honeysuckle, with some plants not affected because they were next … Continue reading

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Managing invasive Amur honeysuckle

In Plants of the Chicago Region, Swink and Wilhelm describe invasive honeysuckle just right: “It would be difficult to exaggerate the weedy potential of this shrub.”   Invasive honeysuckle does very well in savannas, edges of woods, and open fields.  It … Continue reading

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foliar spray of shrubs leads to off target kill

Photos above show a honeysuckle shrub I carefully sprayed while doing some other weed work. The second photo is about 20 days later. The shrub died but I show this photo to demonstrate the area of the off target damage. … Continue reading

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