From mighty oaks to resilient hickories, nuts are more than food theyre keystones of entire ecosystems. Walnuts & Hickories Support wildlife with nutrient-dense food and produce high-quality hardwood. Hazelnuts Small but mighty, these provide habitat and food for birds and small mammals. Beech & Oaks Acorns and beechnuts fuel deer, squirrels, and countless woodland creatures. Buckeyes & Horse Chestnut Often admired for beauty, though not all are edible for humans. Ginkgo & Blue Beech Ancient survivors that enrich biodiversity and thrive across regions. Each species plays a role feeding pollinators, enriching soils, and sustaining forests. Knowing them helps us protect both food sources and heritage trees for future generations.