Gardeners looking to grow container vegetables gardens will experience success with the pepper. This compact plant is a garden favorite and it enjoys hot summer weather. Plant pepper container gardens after danger of frost has passed and when temperatures average 60 to 70 degrees F at night, advises Ohio State University.
You can grow any type of pepper in a container, as long as you choose an appropriate-sized container. Gardeners can choose from bell peppers, which are green when unripe and turn red or yellow when ripe or hot peppers of varying color and intensity.
Pepper plants need to be planted in a container with drainage holes, because this helps the soil release water. If you plant in a container without holes, your pepper plants may begin to rot at the roots and will die. Ohio State University advises selecting a container that provides 1 to 3 gallons of soil mix per pepper plant and notes that a 12-inch container holds 3 1/2 gallons of soil. A 12-inch container can successfully hold two pepper plants.
Gardeners planting in containers should prepare a soil mix of equal parts sphagnum peat moss, soil, perlite and manure. This will provide nutrients for your pepper plants and keep the soil moist in between watering.
Container plants require more frequent watering than those planted in the ground, and peppers are no exception. Keep the soil moist, but not soggy. To check the soil moisture, stick your finger down a couple inches in the soil; if the soil feels dry and dusty, the plant is too dry, and should have been watered earlier. When the soil feels cool but not wet it's time to water until the soil becomes saturated. In the summer heat, water at least once daily.
Fertilize container pepper plants for optimal success, because the soil mix doesn't hold onto enough nutrients to adequately nurture the plants. Ohio State University recommends a 20-20-20 or 15-30-15 water-soluble fertilizer. To apply this fertilizer, mix a container following the manufacturer's instructions, then water your pepper plant with the fertilizer-water mix.