Answer: As a general rule of thumb, supply one inch of water per week to plants. Peppers are warm-season plants that grow best when the days are long and the temperatures are hot. Additional water may not make your plants grow taller - they may just need some more sunshine. You can encourage them to grow by feeding them. Apply a side dressing of 5-10-10 fertilizer or mulch the plants with organic material such as compost or leaf mold to supply nutrients to the soil.
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