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Best Size Grow Bags for Peppers: Varieties for 3 and 5-Gallon Bags

Peppers are colorful garden plants commonly cultivated for their tasty, often spicy fruits. Growing them does not have many challenges, but the main issue begins with unfavorable growing conditions, and planting them requires knowledge of the best size grow bags for peppers.

Here, we will reveal the ideal sizes of grow bags for planting the 5 types of pepper, variables to consider while planting peppers, and the best pepper to grow at home. So let’s get into it.

If you don’t want to read or don’t have time, we suggest you listen to this article.


The Best Grow Bag Size for Pepper Plants

Grow bags come in a variety of sizes to suit your needs. To produce a healthy crop, pepper plants need 3-5 gallon bags. This item, however, differs depending on the variety of pepper.

This section will go through the best grow bags for five types of peppers. Whatever type of pepper you plant should be placed in a properly grow bag for optimal welfare and productivity.

This table displays the five different types of peppers, along with the appropriate grow bag for each of them.



Grow Bag

Green Peppers


Hot Peppers


Banana Peppers


Bell Peppers


Jalapeno Peppers


Green Pepper

Green peppers are essentially unripe bell peppers. Green pepper plants require a 5-gallon container because they grow to be between 18 and 24 inches across and 3 to 6 feet tall.

Best Size Grow Bags for Peppers Green Peppers

Green pepper plants are relatively large and require larger bags than other pepper kinds for optimal development and productivity.

Hot Peppers

Hot peppers have many varieties worldwide, but the main characteristic common to all is the heat or peppery flavor. Planting hot peppers need 5-gallon-size grow bags. These sizes give the plant adequate room to grow and produce more peppers during the harvest.

Best Size Grow Bags for Peppers Hot Peppers

We all know when peppers are hot, but the Scoville scale (also known as the pepper scale) helps us assign a rating to them. As a result, the list in the table below is showing their degree of hotness.


Scoville Heat unit (SHU)

African Bird Eye


Bahamian Chili Peppers


Carolina Cayene Chili Pepper


Datil Pepper


Devil's Tongue Pepper


Fatalii Chili Peppers


Habanero Pepper


Jamaican Hot Chili Pepper


Tabiche Chili Pepper


Madame Jeanette Chili Pepper


Scotch Bonnet Chili Peppers


Tiger Paw NR Chili Pepper


Tshololo Chili Pepper


Banana Peppers

The banana pepper is a medium-sized brilliant yellow chili pepper with a mild, acidic flavor that can change to green, red, or orange as it ripens. Banana peppers develop quite large root systems, and 5-gallon grow bags are an excellent choice.

Best Size Grow Bags for Peppers Banana Peppers

Bell Peppers

Bell peppers are linked to chili peppers and come in a variety of rainbow colors, but they lack heat and spiciness. They require close to 6 inches of soil depth to mature, hence a three Gallon grow bag is appropriate for their growth.

Best Size Grow Bags for Peppers Bell Peppers

The table below illustrates varieties of bell peppers from throughout the world, each with its own distinct color.



Ninja S10


Heirloom Peppers


Mini Peppers (Baby Pepper)




Orange Blaze


White Peppers

White to Faint Yellow

Chocolate Peppers

Dark Brown

Purple Peppers


Sheepnose (Ohio Heirloom)

Vivid Red

Iko Iko Peppers


Pimiento Peppers




Super Heavyweight


Jalapeno Peppers

In North and South America, the Jalapeno is the most popular chili pepper! it is medium-sized and very hot 3-inch deep-green fruit that matures to a vivid scarlet. A 3-gallon container is excellent, however, they can thrive in smaller bags but will likely produce less.

Best Size Grow Bags for Peppers Jalapeno Peppers

But, unless you are a gardener who likes spicy foods, you may be unaware that there are numerous jalapeno kinds available.

Varieties of Jalapeno Peppers

We’ve broken down some of the most popular Jalapeno varieties in the table below. We rate them mildest to hottest, with the majority falling within the usual jalapeno heat range of 2,500 to 8,000 Scoville heat units (SHU).



Poblano Pepper

1,000 to 1,500

Tam Jalapeño


NuMex Pinata

1,000 to 5,000

Mammoth Jalapeño

1,000 to 5,000

Jalaro Jalapeño

2500 to 8000

Chilipeño Hybrid

2500 to 8000

Purple Jalapeño

2500 to 8000

Purple Peppers

2500 to 8000

Chipotle Peppers

2500 to 8000


3,500 to 5,000


3,000 to 6,000

Mitla Hybrid

4,000 to 6,000


3,000 to 8,000

Mucho Nacho

4,000 to 8,000


4,000 to 8,000

Biker Billy


Jalapa Hybrid


Black Jalapeño

2,500 to 10,000

Disease-Resistant Pepper Varieties

Peppers grown in grow bags are tailored to the demands of the plant to promote plant development and productivity.

However, you should consider disease-resistant pepper if you can maintain most garden precautions. The following is the list:

  1. Jalafuego
  2. Banana Goddess
  3. Habanero
  4. Ninja S10
  5. Orange Blaze
  6. Super Heavyweight
  7. Alliance

Five Factors to Consider When Growing Peppers at Home

Pepper plants need a few considerations before planting in order to grow properly and produce a large amount of fruit. We will go over the five most significant factors one at a time.

Five Factors to Consider When Growing Peppers at Home

1. Choosing the Type of Peppers to Plant

One of the most significant considerations when selecting a grow bag for pepper plants is the type of pepper. It can be difficult to choose which pepper kinds to cultivate, although small and medium pepper cultivars normally produce smaller plants when matured.

Aside from flavor and heat level, you can choose pepper kinds based on color and plant size, however, Jalapeno and Habanero (hot pepper variants) are the most productive.

2. The Ideal Soil Conditions to Grow Pepper

Pepper plants flourish best in well-draining soil like loamy due to their high nutrient content, although they can also do well in compost.

However, persistent nitrogen and pH levels (soil quality) in potting soil must be maintained so that the plants do not grow too quickly.

3. Watering Practices for Pepper Plants

Before watering, it is necessary to select a frequency that is appropriate for the weather in which you are growing pepper plants.

Morning watering

You should adopt morning watering when growingpeppersin a sunny setting especially more frequent watering. This eventuality is due to the fact that early sunlight boosts the plant’s ability to absorb water faster.

Evening watering

You should water plants placed in a shady environment in the evening and also avoid excess water. Evening sunlight aids photosynthesis, allowing the plant to produce more energy from the sun.

Best Size Grow Bags for Peppers Watering Practices for Pepper Plants

4. The Portability of the Pepper Grow Bags

Grow bags are highly portable when growing peppers, particularly when they come with sturdy handles, When planting in fabric pots or grow bags filled with garden soil, you can move them around to chase the sun, to avoid getting too much heat, or you can put them in a vehicle.

5. The Precise Size for Growing Pepper Plants Varieties

The optimal container size for pepper plants can vary depending on the kind. When growing peppers in grow bags, the size of the bag also determines the size of your plants.

  • Your bag should be at least a 3-gallon grow bag for small pepper varietals and we recommend you use 5-gallon grow bags for larger ones.
  • Your pepper plants will be smaller if you use a little grow bag.
  • They will be larger if you use a larger grow bag filled with garden soil.

How to Grow Peppers Indoors and Outdoors

Planting peppers both indoors and outdoors necessitates the use of procedures. Peppers can be cultivated inside until they reach maturity. They can be planted outside as well, but they must first be sown indoors for a specified period before transplanting happens.

  • Your Pepper seeds should be sown indoors for 6-8 weeks before transferring outside.
  • Before transplanting, you should expose plants to outdoor temperatures so that they can acclimate.
  • Allow plants to grow outside for a few hours each day before transferring them to the garden.
  • Planting your peppers indoors demands little water, regular check-ins, and care because you have not exposed the pepper to the outdoor elements of wind, direct sun, and high temperatures.

The Best Fertilizers Ratio for Growing Peppers

The optimal fertilizer must contain the required nitrogen, phosphorus, and potassium, with NPK values of 5-5-5 or 10-10-10 when growing peppers. The ideal pH range for peppers is 6.0-6.5.

The Best Fertilizers Ratio for Growing Peppers

A lot of nitrogen promotes plant growth and can lead pepper plants to develop too quickly, rendering them prone to disease and less productive.

1. The Type of Compost for Fertilizing Pepper Plants

You can use any type of compost to improve soil and fertilize pepper plants. Even so, the type of compost you use in well-draining soil has a heavy effect. If nitrogen, potassium, and phosphorus are all at similar levels, they are most likely to be balanced.

2. Using Animal Manure as Fertilizer

Manure can be an efficient additional organic fertilizer in potting soil when growing pepper plants but you should manage and apply them correctly.

  • Well-aged manure fertilizers from animals like livestock and cattle are abundant in nitrogen, potassium, and phosphorus, both of which aid in pepper plant growth.
  • It can be quite damaging if you use fresh or large quantities of fertilizer during the plant growing season.

3. Pepper Fertilization with Fish Emulsion

Fish emulsion, often known as fish fertilizer for plants, is a fast-acting, organic liquid fertilizer derived from fishing waste.

  • It is high in nitrogen, phosphorus, and potassium, which are essential nutrients for one pepper plant survival.
  • Fish fertilizer also contains secondary elements such as calcium, magnesium, sulfur, chlorine, and sodium. This promotes plant growth and fruit production.

Pepper Plant Varieties for Different 3 and 5-Gallon Grow Bags

Certain pepper types produce little fruits, and you can grow these plants in smaller grow bags, most likely of the 3-gallon size grow bag variety. Most pepper types, however, require more soil for the root system to grow, necessitating larger containers.

Pepper Plant Varieties for Different 3 and 5-Gallon Grow Bags

Depending on the type of pepper plant you choose, you should grow peppers in agrow bag of at least 5 gallons in size. We have discussed the sizes of grow bags suitable for various varieties below.

3+ Gallons/11+ Litres (Small Peppers)

You should use 3-gallon grow bags for smaller pepper varieties, like habanero (hot pepper variety) or ghost peppers.

Bell peppers can grow in 3-gallon size grow bags as well, but they may not produce as much because the larger the pot for peppers, the larger the output.

5+ Gallons/19+ Litres (Large Sized Peppers)

A 5-gallon grow bag is the best size to grow peppers. This size gives one pepper plant ample area to grow while still allowing it to move around effortlessly. Use larger bags with 5 gallons or more for larger kinds such as green peppers and jalapenos, etc.

Fabric Planter Grow Bags

Fabric plant bags are made of breathable fabric and porous polypropylene material. Some bags are constructed of woven fabric, which provides superior temperature stability, and a longer-lasting structure for a pepper plant.

  • Cloth grow bags are inexpensive, collapsible, and easy to store after the growing plants season is through.
  • The most significant advantages of fabric grow bag is better air circulation and a drainage system.
  • Fabric grow bags usually have micro drainage holes suitable for plant peppers growth because they prevent overwatering and root rot.
Best Size Grow Bags for Peppers Fabric Planter Grow Bags

How Many Peppers to Grow in a 5-Gallon Bag?

One pepper plant will thrive in a 5-gallon plant container, and you can grow plants in the same bag until they are fully mature.

When using a larger grow bag, you can plant two pepper plants or more in it. You can plant the two smaller varieties of pepper plants in 5-gallon grow bags or in separate 3-gallons grow bags.

The Pros and Cons of Grow Bags for Peppers

Grow bags are an excellent medium for planting peppers and offer a number of advantages when using them, but everything has a good and a bad side.

We’ll go over the benefits and drawbacks in detail to ensure you make the best decision on whether grow bags are perfect for you and make the best of your harvest. Now, let’s go over them one at a time.

  • Growth for a Better Root System

Grow bags are the finest way to help your peppers grow robust since they assist their root crops system because of their permeable nature. It helps the peppers grow by preventing erosion and delivering nutrients.

  • Excellent Drainage

Grow bags‘ porous nature allows for excellent drainage. This allows water, air, and particles to pass through no matter the quantity you pour on the plant.

  • They Can be Easily Stored

Grow bags are simply collapsible and easy to store due to their small weight and folding nature. They take up less storage space.

  • Multiple Sizes and Different Colors

The most intriguing feature of employing grow bags is that they make your yard colorful aside from the color of your plant. They are available in a variety of colors and sizes to fit your preferences and demands.

But climate can also influence the choice of grow bag color. Dark-colored grow bags are ideal for chilly climates, whereas lighter colors are ideal for warm climates. The lighter colors absorb less sunlight, and dark hues draw more sunshine.

  • More Surface Area

Grow bags are a great option if you don’t have enough space for an in-ground garden and come in sizes ranging from 1 to 200+ gallons filled with potting soil.

Grow bags come in a variety of heights and widths, making them adaptable to practically any plant size.

  • Seedlings are Unlikely to be Root Bound

Grow bags do not have this “root bound” effect on your pepper seedlings. Because you did not plant them in plastic pots or round containers, which causes the roots to coil while growing plants.

  • Not as Pretty as Some Container Pots

Grow bags are not decorated or patterned in any way. They come in bright and dark colors with some common, but not amusing shapes that make them not as aesthetically pleasing as other plant containers filled with potting soil.

  • Some Grow Bags are Flimsy

Grow bags can survive for a long period, though not as long as plastic containers or other materials. Some grow bags are composed of heavy-duty PE film and are lined with plastic, making them reusable and recyclable.

Some, on the other hand, are constructed of cloth and fabric material, which are easily prone to tears and may not last long.

  • They Dry Out Quickly

One disadvantage of using grow bags is that they quickly dry up due to the elements. Water frequently and apply a layer of straw mulch on top of your garden soil to prevent drying out.

The mulch will provide a protective layer on top of your potting soil, shielding it from direct sun exposure. Mulch will also aid in the retention of moisture in your garden soil.

What Pepper Plants You Can Grow at Home?

You can cultivate infinite pepper varieties at home. This eventuality can make things difficult. Even so, a few factors such as choice, environment, space, and availability can be useful when selecting pepper plants to grow.

What Pepper Plants You Can Grow at Home

We have listed peppers you can grow at home in the list below, but there is no type you cannot plant as long as you can care for them.

  1. African Devil
  2. Habanero
  3. Serrano
  4. Scotch bonnet
  5. Fatalii
  6. Jamaican Hot
  7. Jalapeno Piñata
  8. Poblano
  9. Banana Pepper
  10. Jaloro
  11. Purple Jalapeno
  12. Black Jalapeno
  13. White Peppers
  14. Green Peppers
  15. Ninja S10

Factors That Can Help to Choose the Pepper Plant to Grow at Home

There are a few factors to consider while deciding which type of pepper to grow, and these are choice, environment, space, and the availability of pepper seeds.

Factors That Can Help to Choose the Pepper Plant to Grow at Home
  1. Choice

These are your preferences and requirements. This determines the sort of pepper to plant based on what you consume and the pepper varieties you like as well as the colors you love to see in your garden.

  1. Environment

This refers to the climate and weather. While selecting pepper plants, evaluate the environment of your area to plant peppers so you can determine the weather requirements for the pepper you want to cultivate.

  1. Space

You should consider space when growing plants from two perspectives: your garden space and your capability to acquire appropriate grow bags.

Some pepper plants need a lot of room, while others don’t. Before planting, always consider the availability of space and the cost of purchasing bags.

  1. Availability of Pepper Seeds

Finally, there is the issue of pepper seed availability, whether you have pepper seeds at home or will buy them. You will only plant what you see that corresponds to your choice list.

Important Things to Take While Planting Pepper

While you are growing peppers at home, remember to take the following precautions.

Important Things to Take While Planting Pepper
  • Before planning, you should prepare the soil to ensure that nutrients can be fully actuated.
  • Grow peppers, as soon as the weather warms up i.e during the warm growing season.
  • Avoid crowding the pepper plant.
  • The pepper plant should not be over or under-watered.
  • Do not overfertilize or apply improper fertilizer on the pepper plant.
  • Be on the lookout for early signs of disease and pest infestation.
  • Timely harvesting of pepper fruit.

FAQ-Frequently Asked Question

How many pepper plants are in a 10-gallon grow bag?

10-gallon grow bag size can contain two pepper plants.

Are grow bags good for peppers?

Yes, grow bags are good for peppers for optimum growth and yield.

What size grow bag should I use?

The best size to use for a large variety of peppers is a 5-gallon size grow bag while 3-gallon size grow bags are suitable for smaller ones.

How deep do pepper roots grow?

Pepper roots can grow 18-4 inches deep.

Can I plant 2 pepper plants together?

Yes, you can plant it together but in larger containers like a 5-gallon grow bag.


Five different types of peppers can be planted in 3-5 gallon grow bags: green peppers, hot peppers, jalapenos, bell peppers, and banana peppers. Planting peppers in grow bags requires you to take a few things into account, such as soil, fertilizers, watering schedule, and pepper variety.

The best grow bag for growing peppers is a fabric 5-gallon grow bag because it can easily support a plant without compromising its natural qualities.

What variety of pepper will you like to plant? Please leave your preference in the comment section. Thanks for reading to the End.

Jessica Zander

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