Water plants with diluted solution. Ark. One thing it does is activate enzymes in the garden. In response to the question of the possible benefits of aspirin on plants, yes. Increased vigor, color, root growth, stress resistance, etc. Good as a soak for dry, bare root stock and even known to revive plants.
Roses thrive on it.
I use one tablet to the quart down to one tablet to the gallon, depending. Vitamin B1 also has similar effect, seems to bolster the aspirin, but as in all things, follow Aristotle and practice moderation. I've read that if you put Juicy Fruit Chewing gum in the gopher's run, the gopher will eat it, not be able to digest it and will die. Our Master Gardeners group tried all of the so-called wonder cures for getting rid of gophers and decided that Juicy Fruit gum was a total waste of time. Alfalfa pellets add some humus to the soil, and alfalfa has been proved to be an excellent green manure.