How to Grow Jalapeno Plants Indoors

Updated February 21, 2017

Nothing spices up cooking like fresh jalapeño peppers. Buying them at the store can be costly and inconvenient. Since jalapeño pepper plants are fairly easy to grow, why not add a few plants to your kitchen and enjoy fresh peppers year round?

Buy healthy looking jalapeño plants at your home and garden store. Look for leaves that are a rich green in colour, and that when pinched gently tend to spring back to life. Avoid plants that seem overly dry or that smell mouldy. Be prepared to repot your plant once you bring it home.

Line the bottom of the plant pot with small rocks or stones. This provides ample drainage for your jalapeño plant. Too much moisture will cause your plant to rot and won't yield any peppers.

Use good soil in your jalapeño plant. Rich soils are made specifically for plant and flower growth. Nutrients in rich soil fall into two categories; non-mineral nutrients and mineral nutrients. Non-mineral nutrient include hydrogen, carbon and oxygen. Mineral nutrients include nitrogen, phosphorus, calcium, magnesium, sulphur, boron, copper, iron, chloride, manganese, molybdenum, and zinc. Re-pot your jalapeño plant using a dark, nutrient-rich soil.

Place your jalapeño plant in a window that receives at least a couple of hours of direct sunlight each day. Water your plant two to three times per week.

Transfer your jalapeño plant into a larger pot when it reaches about one foot in height. Full grown plants may grow up to two feet high, so plan accordingly for that kind of growth.

Pluck off any dried or dead leaves as needed. Allow the peppers to ripen on the plant for optimal taste.


Once a month treat your jalapeño plant to a plant food stick. Place it about an inch deep into the soil and water as usual.

Things You'll Need

  • Jalapeño pepper plant
  • Small rocks or stones
  • Natural sunlit window
  • Plant food sticks
  • Water
  • Plant light (optional)
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About the Author

Kimberly Ripley is a freelance writer and published author from Portsmouth, N.H. She has authored five books and hundreds of articles and short stories. Her work has appeared various publications, including "Parenting," "Writer’s Digest," "Vacations" and "Discovery Travel." She studied at the University of Maine and later pursued her writing studies through numerous classes and workshops.