Tag Archives: invasive plant

Testing shows confounding results. A late spring application of clethodim on mature Reed Canary Grass did not work, but then a second round of clethodim did work.

By Bill Kleiman This is an update on an earlier post. It is good to do simple monitoring or testing to see if a weed treatment you are using works. I will describe the simple way I tested a herbicide … Continue reading

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When to mow sweet clover to control it

By Bill Kleiman Yellow and white sweet clover (Melilotus officinalis and M alba) are on the invasive weed list of many natural areas managers. The plants are biennial, so on year two they bolt, bloom, and produce a lot of … Continue reading

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Testing shows confounding results. A late spring application of clethodim on mature Reed Canary Grass did not work, but then a second round of clethodim did work.

By Bill Kleiman This is an update on an earlier post. It is good to do simple monitoring or testing to see if a weed treatment you are using works. I will describe the simple way I tested a herbicide … Continue reading

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Managing Invasive Wild Chervil (Anthriscus sylvestris) in Natural Areas

By Jason Johnson, Natural Resource Manager with Forest Preserve District of Kane County Wild Chervil (Anthriscus sylvestris) is an herbaceous biennial or short-lived perennial introduced to the US from Europe, is about 3 feet tall, and in the Apiaceae family. … Continue reading

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A Study on Controlling Bush Honeysuckle

By Kaleb Baker Amur honeysuckle (Lonicera maackii) is an invasive shrub that flourishes along forest edges and in open woodlands. Amur honeysuckle shades out native flora with its early leaf-out and prolonged leaf retention, and when left uncontrolled, can produce … Continue reading

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Lespedeza: friend and foe

by Bill Kleiman Our area has five species in the genus Lespedeza, and two are invasive. Here is a quick summary of the five species and a link at the end to a lengthier set of images with pointers. Lespedeza … Continue reading

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Beware what seed you buy

by Bill Kleiman You likely don’t know invasive Lespedeza daurica. I will tell you why in a bit. But it is similar to the invasive Lespedeza cuneata, but more likely found prostrate like the specimen I put in the pot … Continue reading

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Transline control of yellow sweet clover

By Bill Kleiman I have noticed with yellow sweet clover, Melilotus officinalis, that if I apply 1% Transline with a surfactant late in the bloom of yellow sweet clover that the clover appears to set some seed. We don’t want … Continue reading

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Birdsfoot trefoil miss

By Bill Kleiman Nachusa Grasslands has a 20-acre prairie planting, number 91, http://www.nachusagrasslands.org/uploads/5/8/4/6/58466593/planting_91_-_2009_-_stone_barn_prairie_-_stone_barn_farm_unit_-_crew_-_c_considine.pdf that is coming along nicely with a thick cover of native plant diversity. But it also has about 100 birdsfoot trefoil, Lotus corniculatus, small patches of plants … Continue reading

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A SURGICAL APPROACH TO PHRAGMITES CONTROL

by Bryon Walters Phragmites australis, Common or Giant Reed, can be a very problematic invasive in wetlands and wet prairies. If left unchecked, it can form large monoculture, impenetrable jungles 6-10’ high. Usually nothing else will grow under the dense … Continue reading

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