Invasive Species

Earlier this summer, botanists discovered a population of the wetland invasive plant European frog-bit (Hydrocharis morsus‐ranae) in Oconto County. This is the first time this species, which is widespread along the coastal areas of lakes Erie and Huron up to the...

This week we finished mapping the county roads for Wild Parsnip and Purple Loosestrife locations.  We noted that the Wild Parsnip has bolted (flowered and gone to seed) and is pretty much done causing problems for the year.  Next spring, we will begin...

Every summer at my household, my wife collects milkweed and monarch butterfly eggs.  She’ll put the milkweed and eggs in a large terrarium and then has her daycare monitor their growth and transformation from caterpillars to butterflies.  She usually is able...

 Tips for helping to prevent oak wilt disease It’s best to avoid cutting, pruning or damaging oak trees this time of year to prevent the spread of oak wilt disease. Oaks are most vulnerable to the disease during the growing season, especially from April 1 to July 15....