Growing vegetables from food waste is a great lesson for kids and also makes great science experiments Teach students how to regrow food and pick a food to regrow as a class. Could use a food from a students leftover lunch.
Rosemary is easy to propagate, and sometimes roots will develop even in a glass of water on a sunny windowsill. I have found that the best time of year to take cuttings is in the late fall and early winter.
Love this idea for my herbs! Painting old tins with rust resistant paint stencil on the name of the herb or kitchen pot plant. Use tin cans with the white lining inside and your can wont rust after watering.