Too Late For Dormant Oil Application??

In the Extension office this time of year, we often receive calls from concerned people wondering if they had missed the timing for dormant oil application to fruit trees.  When asked why they can’t apply dormant oil, the answer is always “because it’s not the dormant season now!”  They are relieved to hear the answer I give them of “have no fear and confidently spray away”!  Then the discussions begin, “then why is it called a dormant oil spray if that doesn’t matter!”

 

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Authors
Erik Draper

Turfgrass Team Times, 03.28.25

Welcome back to the OSU Turf Team Times - your go to resource for turf information in Ohio. This is the recording from Friday, March 28, 2025. We are in the early season and this turf resource will be recorded every other week for awhile. After checking out this recording, watch for a BYGL Alert sharing the next recording this Friday, April 11, 2025.
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Authors
Amy Stone
Ed Nangle

Spotting the Spot - Springtime Spotted Lanternfly Update

As temperatures warm, Spotted Lanternfly (Lycorma delicatula) (SLF) eggs laid last fall will begin to hatch later this spring. The National Phenology Network is forecasting SLF egg hatch in North America based on growing degree day (GDD), base 50F. The map below was captured on Wednesday, April 2, 2025. You can continue to monitor the USA NPN website for SLF egg hatch at: https://usanpn.org/data/maps/forecasts/spotted_lanternfly
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Authors
Amy Stone

Updated FactSheet on How and Why to Hire an Arborist Hot Off the Press

Just in time for the upcoming season, Ohio State University Extension's FactSheet, How and Why to Hire an Arborist, has been updated and is posted on the Ohioline website. The updates include information about the different types of arborists and the Tree Risk Assessment Qualification (TRAQ). There are also links to additional references and resources on the subject.
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Authors
Amy Stone
Joe Boggs

Frost Cracks From Winter's Past May Have Gardeners Asking What Happened To My Tree

As weather warms...and it will - the calendar says it is officially spring - people will hopefully be spending an increasing amount of time outdoors. As they are outside, they may notice some things that they had not observed last year, and it may catch them by surprise and they may begin seeking answers. We had just the situation in the OSU Lucas County Extension office when a resident stopped by to ask what happened to their tree over the winter.  Their verbal description of "vertical raised lines" on the main trunk of some of their trees in their landscape, and photos on their cell phone...
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Authors
Amy Stone