The following is a grow bag size chart for vegetables. This information will help you determine the appropriate size of grow bag to use for your vegetable plants.
Plant | Minimum Diameter | Minimum Depth |
---|---|---|
Tomato | 18 inches | 24 inches |
Pepper | 12 inches | 18 inches |
Eggplant | 14 inches | 20 inches |
Cucumber | 16 inches | 24 inches |
Squash | 18 inches | 30 inches |
Strawberry | 10 inches | 12 inches |
Lettuce | 12 inches | 8 inches |
Carrot | 12 inches | 12 inches |
Radish | 10 inches | 8 inches |
Kale | 12 inches | 12 inches |
Bean | 14 inches | 18 inches |
Basil | 10 inches | 8 inches |
Mint | 12 inches | 12 inches |
Chives | 8 inches | 8 inches |
Spinach | 12 inches | 8 inches |
If you are planting more than one vegetable in a grow bag, make sure to choose a bag that is large enough to accommodate all of the plants. Also, be sure to place the grow bag in an area that receives full sun for at least six hours per day.
Grow bags are containers made of fabric that allow you to grow plants in soil. They offer numerous benefits, such as improving drainage, aeration, root development, and temperature regulation. Grow bags come in various sizes, ranging from 1 gallon to over 20 gallons.
Here are some popular grow bag sizes and the plants they can support:
- 1 gallon: Small herbs such as arugula, basil, oregano, and thyme.
- 3 gallon: Peppers, eggplant, and cucumbers.
- 5 gallon: Potatoes, determinate tomatoes, and onion.
- 7 gallon: Meyer lemon trees, melons, indeterminate tomatoes, and squash.
- 10 gallon: Blueberries, dwarf fruit trees, and small to medium-sized vegetables like kale, chard, and zucchini.
- 15 gallon: Large fruit trees like citrus, figs, and pomegranates, as well as larger vegetables like pumpkins and winter squash.
- 20 gallon: Grapevines, artichokes, and large tomato plants.
- 25 gallon: Trees like avocado, olive, and mango, as well as larger root vegetables like carrots and parsnips.
The longevity of grow bags depends on the material they are made from, the frequency of use, and the storage conditions. Grow bags can last anywhere from 1 to 10 years, largely depending on the quality and durability of the fabric. Some materials, such as cardboard, will not last longer than a year. To make grow bags last longer, it is recommended to wash and dry them after each use, and store them in a cool and dry place. Here is a comparison table from one of the manufacturers:

What are grow bags sizes and what are they used for
Grow bags are small, portable containers that are used to grow plants. They are made from a variety of materials, including fabric, plastic, and coco coir. Grow bags come in a variety of sizes, depending on the type of plant you want to grow.
Grow bags are an ideal solution for gardeners who have limited space. They can be placed on patios, balconies, or even indoors. Grow bags are also a good option for renters who may not be able to make changes to their outdoor space.
If you are growing vegetables, fruits, or herbs, it is important to choose the right size grow bag. Using a grow bag that is too small will result in stunted growth and yield. Using a grow bag that is too large will result in wasted space and resources
The difference between pots and grow bags
Some of the main differences between pots and grow bags are:
- Grow bags are made of fabric while pots are made of plastic, ceramic, metal, or other materials.
- Grow bags have better drainage and aeration than pots, which can prevent root rot and root circling. However, grow bags can also dry out faster and need more frequent watering.
- Grow bags are lightweight, flexible, and easy to store while pots are heavier, rigid, and take up more space. However, grow bags may also lack structural strength and aesthetic appeal compared to pots.
Why You Should Consider The Grow Bag Size
Grow bags come in all shapes and sizes. Depending on what you want to grow, you will need to choose the right size grow bag because:
- The wrong size grow bag will limit the root space of your plant, which can stunt growth.
- If the grow bag is too big, it will be difficult to move once it is filled with dirt and plants.
- You will need to water more often if the bag does not have good drainage.
- A grow bag that is too small will dry out quickly in hot weather.
When choosing a grow bag, make sure to consider the following:
- What you want to grow
- How much space you have
- The climate you live in
- Your watering habits
Once you have considered all of these factors, you will be able to choose the right size grow bag for your needs.

How to Choose the Right Size Grow Bag
The first step in choosing the right size grow bag is to determine what you want to grow. The bigger the plant will grow the more space it will need. For example, a tomato plant will need more space than a cucumber plant.
The next step is to determine how much space you have. If you only have a small balcony, you will not be able to grow as many plants as someone with a large backyard.
The climate you live in will also affect the size of grow bag you need. If you live in an area with hot summers, you will need a grow bag that has good drainage so the roots do not dry out.
Finally, consider your watering habits. If you water your plants daily, you will not need as big of a grow bag as someone who waters their plants weekly.
By considering all of these factors, you will be able to choose the right size grow bag for your needs.
If you are growing more than one vegetable in a grow bag, make sure to choose a bag that is large enough to accommodate all of the plants. Also, be sure to place the grow bag in an area that receives full sun for at least six hours per day.
Do plastic grow bags need drainage holes?
Grow bags are usually made of felt or polypropylene and don’t need drainage holes because they are porous and allow water and air to pass through. However, if you have a grow bag that is not porous or drains poorly, you may need to add some holes at the bottom.
Do tomato grow bags need drainage holes?
Yes, tomato grows bags need drainage holes to prevent water logging and root rot. You can pierce four holes per plant in the side of the grow bag or use a grow bag that has small perforations along the base.
What are the dimensions of a grow bag?
The dimensions of a grow bag will depend on the type of plant you want to grow. For example, a tomato plant will need a grow bag that is at least 18 inches in diameter and 24 inches deep.

I’m Michael Barnes and I love what I do. Every day, I get to work with the land and help create something that is essential for life. But it’s not always easy. Every day brings new challenges or unexpected natural disasters in order to produce what we need every day: meat; fruit, juice, and healthy dairy products!