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June 16, 2017 – Christelle Guedot talks about Semiochemicals

Rain and Hot Temperatures have been the standard over the past week throughout Wisconsin.  Insects and Diseases are on course for the time of year. Guest speaker, Christelle Guedot talks about the methods of using pheromones in insect pest management.   Link to Transcript of 6-16-17 Here.  


May 19, 2017 – Rain and Cool Temperatures

Rain and cool temperatures have meant that some plants appear to be a bit behind schedule in different parts of the state. Insects and diseases continue undeterred  with several new things having been observed including Didymascella Needle Blight in Juniper, Hydrangea Leaftier and Bumble Flower Beetles.  Want to know what butterflies are active?  Check out WisconsinButterflies.org. […]

Lilac Blooms

May 5 – Lilacs to Snow – South to North

Bloom conditions vary from Forsythia being finished in Central and South to tree leaves not yet budded in the Bayfield Area. Moss on lawns, ants, solitary bees, ants and ticks are common questions.  Dieback on apples, White Mold on tulip bulbs and Downy Mildew on Moss Phlox are some of the items having gone through […]


April 21, 2017: The Season Begins

Wet weather, concern about Jumping Worms and over-wintering mosquitoes were just a few of the items that surfaced in the first WHU update of the 2017 growing season.  Special Presenter Brian Hudelson, UW Plant Disease Diagnostic Lab (PDDL),  outlined the services provided by various labs, both UW Extension and UW Madison, that are available throughout the […]


September 23rd: End of Season Wrap-up

With cooling temperatures, spotty rain is bringing in the autumn quickly as well as the usual pests that accompany this change in the seasons! This years last WHU hosted by Chrissy Wen, until next time!