Two maple leaves with black spots

Tar Spot

What is Tar Spot? Tar spot is a common, visually distinctive and primarily cosmetic fungal leaf spot disease.  While tar spot can affect many species of maple including big leaf, mountain, red, Rocky mountain, sugar, and sycamore maple, in Wisconsin, this disease most commonly affects silver maple.  Boxelder (also known as ash-leaved maple), willow and […]

Two ladies and two girls look through seed packets in a filing drawer

Master Gardeners Celebrate First Year of Appleton Seed Library

The Appleton Seed Library is a community seed lending library resource. We house a collection of open-pollinated, organic and heirloom seeds that you are welcome to borrow – grow – share. Our collection depends on donations from small seed companies as well as your returned seed when they come to maturity.


Unearthing a New Invader | Jumping Worms

Jumping Worms The latest invader is the jumping worm, a destructive invasive species originally found in Madison, has spread to 14 counties across the state since 2013. Originally from Asia, the worms are capable of causing ecological damage on land or water. It’s too soon to evaluate the damage in Wisconsin. In other parts of the country, these […]


Emerald Ash Borer Confirmed in Outagamie County

Emerald Ash Borer has been confirmed in Outagamie County, making it a “quarantined county”, meaning that movement of ash wood products and hardwood firewood to areas outside of the quarantine is prohibited The Department of Agriculture, Trade, and Consumer Protection (DATCP) recommends that property owners who have ash trees in quarantine counties: Keep a close […]