Growing Peppers Indoors In Winter: 5 Helpful Steps

Last Updated on November 9, 2022 by Cristina

Peppers are great plants to grow as you can use peppers in so many different dishes. Growing peppers indoors in winter is a great way to enjoy fresh peppers all year round. With the right care and steps, you can successfully grow peppers indoors during winter.

Peppers are one of the most popular plants people will grow in their gardens. They are generally easy to grow outdoors and can produce an abundant harvest. There are many delicious different types of peppers you can grow and use in your favorite meals.

All About Pepper Plants

Peppers come in all sorts of flavors and colors. They can be anywhere from sweet to spicy and they can be green, yellow, orange, or red. They are great plants to grow as peppers can be used for cooking many different dishes.

Some of the most common types of peppers to grow to include bell, jalapeno, banana, Scotch bonnet, habanero, poblano, shishito, serrano, and anaheim, among others. They range in level of spiciness and size.

No matter what type of pepper you are growing, they prefer the heat and have a long growing season. They grow well in raised beds, containers, and in-ground gardens.

Growing Peppers Indoors In Winter

Learning how to grow bell peppers indoors is a great option if you live in a cold climate. They thrive in a sunny, warm environment. When growing indoors, it is important to replicate these conditions so your pepper plant can thrive.

When growing peppers indoors in winter, you will likely need a heating pad and a grow light. This will help ensure they can successfully grow and produce vegetables. You can have your pepper plant growing indoors with the proper steps.

Growing Peppers Indoors In Winter

Starting peppers from seeds is relatively easy, but you do need time and the right conditions. The seeds will not sprout if it is too cold or if there is not enough light.

You may wonder when to start bell peppers indoors. Well, as long as you provide them with the right growing conditions you can grow them indoors at any time of the year.

Take Out Time to Also Read:

Prepare Seed Cells Or Container

To start, you will want to prepare seed cells or a container to plant your pepper seeds in. Add potting mix to your seed cells or container and then moisten the soil. The soil should be lightly compacted for your pepper seeds to grow.

Plant Pepper Seeds – Growing Peppers Indoors In Winter

After preparing your seed cells or containers, you can add your seeds. Make small holes that are 1/4 inch deep and place one to two seeds per hole and lightly cover with soil. Next, mist the surface of the soil so that it is moist.

Keep In A Warm Area

Keep your seed cells or container with your pepper seeds in a warm area. A heating mat is beneficial as you ideally want the soil temperature between 70 to 80 degrees Farenheit.

Be sure to keep the soil moist at all times for your pepper plants. You can use a humidity dome to help prevent the soil from drying out.

Move Sprouted Peppers Under Grow Light

Once the peppers have sprouted, move them to an area where they will get plenty of light. For best results, use an LED grow light to ensure that your peppers get enough light.

A grow light is ideal as you want to provide your sprouting peppers with up to 15 hours of light a day, which you likely won’t get with a window sill in winter. Use your grow light at 50% power about 18 inches above your plant for the best results.

Continue to keep the soil moist, but avoid overwatering your pepper plants. You can also use an all-purpose fertilizer at 1/4 strength once the seedlings reach one week old.

14 Sweet & Hot Peppers Seeds Variety Pack 700 Seeds Non-GMO Peppers Seeds

Check Price on Amazon

Transplant Peppers – Growing Peppers Indoors In Winter

After a few weeks, the pepper plants will likely be ready to transplant. Knowing how to grow bell peppers in pots is important if you plan to grow them inside.

Carefully move the plant into a container filled with potting soil. Ideally, the pot should be between three to five gallons in size, though, for smaller pepper plants, a one-gallon pot may work.

You Might Want to Read these Related Articles:

Pepper Care

Once your pepper plant has matured, it is important to continue to give them proper care. You can continue to grow them in your home with the right care.


Pepper plants need plenty of light as they continue to grow. When the peppers are mature and are getting ready to enter the fruiting stage, they should receive about 12 hours of light indoors.

You can continue to use your grow light for your peppers when they are in the fruiting stage. You can also increase the intensity of the LED grow light up to 75%.

Water – Growing Peppers Indoors In Winter

Continue to water the pepper plants so that the soil is moist. Slow, deep waterings are beneficial to your pepper plants, just be sure not to overwater. Indoor plants typically need less water than outdoor plants.


Pepper plants should have well-draining soil that is rich in organic matter. Indoor potting soil is typically the best option for growing pepper plants. They typically prefer soil that is between sandy and loamy.

Temperature And Humidity 

Pepper plants often do well in temperatures between 70 to 80 degrees Farenheit. If your house is kept around 70 degrees Farenheit, your peppers should grow just fine. Avoid keeping your peppers in an area of your house where there may be cold drafts.


During the growing season, you can fertilize your pepper plants once a week. A liquid fertilizer or a continuous-release fertilizer will typically work well. You can also use compost as well for your pepper plants.

Growing Peppers Indoors In Winter: Everything To Know

You may have wondered, can you grow bell peppers indoors? Fortunately, the answer is yes as you can grow peppers indoors with the right conditions. As long as they are warm enough and get enough light and water, you can grow peppers indoors.

Do you have any questions regarding growing peppers indoors in winter? If so, please ask your pepper-growing questions in the comments below.

Leave a Comment