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These articles are written for a general audience, and are intended to assist with outreach and education. Please feel free to use them for those purposes.

All I ask is that you email me at paul.j.hetzler [at] gmail.com and send me a link to the venue or website when it is published. Thanks.

Links to many more published articles can be found on the Natural History Page.

Also, if anyone is willing to translate more of these, I'd be so grateful! Give me a shout.

Mitigating Salt Injury

to Trees

Oak Wilt Prevention

Tree Cabling

Fall Transplanting

Tree Pruning:

Just Count to 3 

Tree Selection

Species Spotlight:

White Pine

Proper Planting

Tar Spot & Other

Leaf Blemishes

Species Spotlight:

Sugar Maple

Twigs Tell

Tree Health

In Praise of

Natural Christmas Trees

"Mulch Volcanoes" 

Hurt Your Trees

Flooded Trees

Construction Damage

Exotic Worms

Threaten Forests

Early Leaf Colour

Means Trouble

Species Spotlight:


Spindle Galls on Leaves

Spotted Lanternfly

Timber Theft

Arbor Day

Topping Is Bad

for Everyone

Les "volcans de paillis" 

sont mauvais pour les arbres

Les arbres inondés

Dommages de construction

Beech Leaf Miner

Grey Squirrels and

Forest Ecology

Species Spotlight:


Oak Wilt,

Another Take

Species Spotlight:


Test Your Tree IQ

Species Spotlight: