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Lace Bug Damage is on the Rise
JUL 20, 2022
This is the time of the season when the characteristic chlorotic leaf spot damage (= stippling) from Lace Bugs (order Hemiptera; family Tingidae) that feed on deciduous woody ornamentals as well as ...
Understanding Lightning & Associated Tree Damage
JUL 9, 2022
Lightning is one of nature’s most powerful forces. Lightning can have devastating effects on people, property and trees. Each strike of lightning can reach more than five miles in length, and produce ...
People and Plants
JUL 4, 2022
This Independence Day weekend blog post is about John Bartram, the American gardener and botanist who revolutionized gardening.
It Pays to Care for Trees – Part 2 – Plan ahead!
JUN 20, 2022
Trees can be a great asset to our landscape and environment. But it pays to plan ahead.
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Thomas deHaas
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It Pays to Care for Trees!
JUN 20, 2022
Over the past several years, The Ohio State University Extension has partnered with Holden Forests and Gardens to promote the benefits of trees. Using i-tree, calculations can be made on the economi...
Wild Parsnip (Pastinaca sativa L., family Apiaceae (previously Umbelliferae)) is in full bloom in Ohio with recent hot temperatures accelerating seed development, particularly in the southern part o...
Guy Meilleur on Reduction Pruning
JUN 19, 2022
Bronze Birch Borer Remains a Threat
JUN 14, 2022
Bronze Birch Borer (BBB) (Agrilus anxius) is native to North America and only targets trees belonging to one genus, Betula. Historically, BBB ranged across the northern U.S. and southern Canada whic...
Common Milkweed and its Doppelgänger
JUN 10, 2022
This can be a particularly tough time of the year to learn plant identification. With the warm temperatures and plentiful rainfall, vegetative growth is rapid, and we’re often left looking at a wall...
Here is the forecast, as of this writing, for the period June 13-16, 2022, the last full week of spring according to the astronomically based calendar. People often snicker when I make a big deal out ...
