Self made Miracle Grow. Put Epsom salts and sugar into each hole with your plant. It makes them grow larger, leafier and greener, use about 1 Tablespoon in a 1 to 1 ratio but I dont really measure it. You can also dissolve 1 Tablespoon into a gallon of water and use it to water your plants, trees, fruit trees, roses, flowering plants, squash,... all veggies. If you have already planted I would sprinkle around the plant and water it well
Plastic Bottles instead of Pea Gravel Pea gravel and pebbles can weigh down window boxes. Empty water bottles are a lightweight option. Place rinsed bottles inside the planter and add soil on top of them. The space between the bottles will allow proper drainage without the extra weight.
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.