Create a large wall mural of a tree you might use in or near a school garden and fill it with the local birds and animals that would benefit from it. Trees help bring good insects to gardens. Make a class book of insects that would be helpful to your garden. Include a picture of the insect, its name, the foods it eats, its predators, and any interesting facts you can find. Fallen tree leaves, twigs, and bark help feed the soil around gardens by turning into free mulch.
Fall leaves can also help keep weeds away.
Create mulch for a school garden by utilizing fallen leaves, twigs, and bark from nearby trees. Visit the Humus section of the Treeture web site to see how to start your own classroom composting bin. Make a recipe using some of the shade loving vegetables and fruits that you discover. Incorporate math skills with a graphing exercise. Trees help keep the air and soil near gardens moist by releasing water through their stomata in a process called transpiration.