Learning about the art of maple sugaring, when the sap from trees is collected to make syrup while on a hike, a cooking demonstration, and a tasting Saturday at Robinson Nature Center.

Try some plants with standout bark to make things interesting after the leaves fall. Paperbark maple trees (Acer griseum ... although they aren't native species in the U.S., they don't spread ...

The Cooperative Extension Plant Clinic can provide information on scale insect control, urban tree care, and other horticultural problems.