Put Epsom salts and sugar into each hole with your plant. It makes them grow larger, leafier and greener. But don't over do it though, just a little goes a long way with plants. and it add magnesium that is helpful for pepper plants in your vegetable garden. You can either sprinkle a tablespoon or so around the base of your plants that will feed as watered, or put the epsom into a water bottle and spray the mixture directly on the plants.