Thomas deHaas

Agriculture Natural Resource Educator
OSU Extension Educator - Lake County, Ohio

Tom "bowtie" deHaas is new to extension but known for punny, not necessarily funny treatment of all topics. 

ie. How can identify a dogwood tree?................................by its BARK!

Agriculture experiences include teaching Vocational Horticulture, Ornamental Horticulture Nursery inventory, Design/Build Landscape Contractor, and Elementary, Middle and High School teacher.

 

Thomas deHaas
OSU Extension - Lake County Agriculture/Natural Resource Educator
99 East Erie Street
Painesville, Ohio 44077
440-350-2582
dehaas.2@osu.edu
440-350-2269

Articles Authored

Title Category Published on
What was the wind trying to tell us about our trees?
Rockefeller Greenhouse. A ‘Free’ Cleveland Christmas Display.
Governor DeWine has a ‘Real’ Christmas Tree for 2025
Where did all the Water Go? SEICHE!
Considering a Live Christmas Tree this year?
Don’t forget the Oaks!
What Happened to the Fall Color this Year?
Thinking of adding a Water Feature to your Landscape. Where do you start?
Being Patient with Impatiens pays off!
Honeydew – Sooty Mold – Spotted Lanternfly – YUK!
Yellow Jackets are Active.
Spotted Lanternfly in Erie, Lorain, and Ottawa Counties. What should you do?
Lycoris squamigera (aka Naked Lady Lily) is making an appearance.
Bagworm Damage is Becoming Noticeable!
Tick Bites…They are NO Joke!
Two Trees in One? Good or Bad?
If Trees Could Talk…………
String Trimmers. The Good, the Bad and the Ugly.
Beware of Friday the 13th! Dangers may be lurking among the Trees!
Toxic Plants Rear their Ugly Flower Heads
Military Haircut for Trees
Vascular Cambium Conundrum!
Spotted Lanternfly Egg Hatch Observed Last Week in Cincinnati
Loving Lavender Spring Flowering Plants
Mystery Seeds are Back for 2025!
Arborvitaes. Why are some dying?
Witchhazel and the Vernal Equinox (aka. First Day of Spring)
Chop Chop! Is that any way to trim trees?
Why does every tree I plant in that site die? Maybe it’s Site Selection!
Will this Winter’s Snow and Cold Hurt my Plants?