Vegetables You Can Grow In 3-Gallon Pots

Many people love to have their own vegetable garden but can’t do so as they do not have enough space for gardening. Container gardening is for them. You can fulfill your wishes if you have a balcony or patio, any type of vegetable (summer or winter) can be as easy to grow in containers as in fields or vegetable gardens.

If your balcony is small and can’t hold many containers you can place them in a sunny window as well.

Growing vegetables in containers also allow the growers they can pull their containers inside when weather is not suitable.

Growing vegetables in containers

While growing vegetables in containers the important thing is the size of containers, keep in mind that pots or containers that you select for growth must be large enough to accommodate the requirements of plants. 

It must hold enough soil and moisture for plants to give maximum yield. Use the good quality potting mix to fill your container, bought soil from the market designed for container-grown plants, or prepare your own by mixing compost, and perlite. The size of the container is very important regarding the growth of plants because some plants are large enough that you can grow only a single plant in a container and some are small enough that you can grow more than one plant in a container.

Vegetables That Can Be Grown In 3-Gallon Pot:

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Different vegetables can be grown in 3-gallon pots


Growing beats in pots are easy because they do not require much attention. You can grow beets in a three-gallon pot. The basic requirement is a proper draining system. 

Beets do not like to be transplanted so pick the desired pot and sow seeds 1-4 inches deep and 2-3 inches apart. But you can sow more seeds than the container size because when they germinate and reach a significant height, thin the seedlings. 

Seeds will germinate between 7 and 15 days depending on the conditions and your selected type. Maintain moisture content in the soil, water your soil regularly or add mulch it also helps in the retention of moisture.


Growing carrots in a container is a fun way to grow food with little planning and effort. Carrots can be grown in any type of pot depending upon the variety. Fill the pot with a growing medium, and use good quality soil that gives proper air circulation to the roots. 

Sow the seeds at an adequate distance in a 3-gallon pot. Once the seeds have germinated and plants are grown well, pay attention to soil moisture, as it necessary. But keep in mind that carrots like slightly moist but not wet soil, so avoid overwatering and ensure proper draining. 

Water when soil seems to dry. To promote growth fertilize the pot after two or three weeks but avoid high nitrogen fertilizers, as they encourage only aerial parts, vegetables look healthy in appearance but when you harvest the result is the opposite. 

If you notice that carrots push out of the ground add a bit more potting mix to cover them. Most varieties of carrots get mature within two to three months of the seedling and some may take more. 


If you grow tomatoes in pots it’s not tough for you to have eggplant. Select a three-gallon pot and place one plant per pot. Fill the container with high-quality potting soil that will drain easily, to attain this mix some sand into the soil or add some pebbles into the container as they aid in draining. 

Apply fertilizers on the flower set or mix some slow-release fertilizers so your plant gets proper nutrition during the whole growing season. Water your plant carefully as overwatering harm the plants. Provide support by stalking or tomato cage.

Harvest your fruit as soon as it matures because if you want a big size harvest as in supermarkets, your eggplants will lose their shine and won’t be as tasty to eat if they are left on the plant too long. It is a versatile vegetable. It can be grilled, fried, stuffed, baked, and roasted.

Green Onions:

Green onions can be easily grown in pots. They can be grown from onion seeds, bulbs,s or scrap. If you want to grow from fresh onion, take a healthy one cut the green stem, place it in a pot filled with good quality soil, and water your pot. And if you want to grow from seeds then spread seeds into the soil and water your pot.

Keep soil moist and put the pot in a sunny location. Seed germinates within 6-12 days depending on the variety you select. Apply fertilizers to boost up plant growth, green onions specifically prefer acidic soil so use fertilizers specially designed for acid-loving plants.

 Green stems are also used for different purposes; you can harvest the green stem when it grows 6 to 8 inches tall. Don’t cut the whole stem as plants require it to grow well. 

When the top of the stems becomes yellowed, the onion bulb has fully matured now. Pull the bulbs to use. Store them in a cool dry place.


You can grow peppers in pots easily. Select a pot with proper size according to plant, and make sure that it has a proper draining system. Fill your pot with potting mix that will hold moisture and provide the plant’s roots with required air circulation and essential nutrients. 

Mix calcium granules into the soil, as a lack of calcium results in the form of blossom rot. Place seedlings in the pot, Single seedling per pot as it seems small at the start but when a plant gets mature it fills the pot and if you took a small pot or place two or more in a single pot, later it proves to be problematic.

Place pot outside in a bright sunny, warm spot. Sun-loving peppers need a minimum of 6 hours of full sun per day. They need constant moisture.  

Frequently water your plants, but check the soil before watering if it is not dry then don’t water. When flowers appear apply organic food designed for fruits and vegetables. Harvest the peppers when they mature.


To grow spinach in pots select a wide pot minimum of 8 inches wide. Fill the pot with a quality potting mix rich in organic matter, Soil should be well-drained because it is important for spinach to grow well in pots, wet soil can cause serious damage to leaves or they become more susceptible to rot. Sow seeds 1-2 inches deep in the pot. 

The seedling will germinate in 5-14 days depending on variety and growing conditions. Thin the seedlings if they overlap each other. 

Space each spinach plant 3-6 inches apart. But if you want larger leaves then increase the distance. Place the pot in a sunny spot or in a semi-shade when growing spinach in spring and summer as direct rays can burn the leaves. Fertilize the soil regularly.

Cherry Tomatoes:

Choose dwarf cherry tomato varieties because they are well suited for pots. Tomatoes have a wider root system as compared to deep so select the pot accordingly.

Fill your pot with full drained and light soil; avoid the use of garden soil as it may contain microbes as well as it has clay content. Plants require proper feeding when they produce flowers, or when the flowers start turning into tomatoes. 

Feed your plants properly and avoid the use of fertilizers that contain an excess of nitrogen. Keep eye on the soil temperature, and provide mulch to your plants as it helps in temperature regulation as well as retaining soil moisture.

Tomato plants have a delicate branching system, so they become prone to falling at maturity, when plants set fruits provide them support by using some bamboo sticks or a tomato cage. Place single plant per pot. Tomatoes require a light minimum of 7-8 hours per day, so place your pot in a bright sunny location.


If you have a container or bucket of at least 12 inches deep and have a capacity of two to three gallons, you can easily grow turnips. But keep an eye on the drainage systems of your container as the turnips prefer moist but not wet or soggy soil. 

They grow quickly. Seeds are easily available in the market. Sow seeds in the pot at a proper distance, maximum of three to four inches apart so that the rhizomes get space to grow freely. After sowing seeds place your pot in a sunny spot.  

If get optimal conditions seeds will germinate within 5-7 days. Turnips are low maintenance plants to grow the only thing they require is consistent moisture. Drought will make roots bitter and tough, so water your plants attentively.

Leaf Lettuce:

To grow leaf lettuce in a pot chooses a cool but sunny spot. They need a minimum of six hours of light per day. Lettuces have fairly shallow root systems so they require less soil only about six inches.

Choosing a shallower longer pot will give you more surface area. So choose a 3-gallon pot at least 12 inches deep. Lettuces contain 95% water, they require continuous moisture. Water your plant regularly.


Select a bright spot for the container that has full light exposure at least for six hours per day. To grow kale in pots, consider a pot that is 8 inches wide and 8 inches deep, and fill it with good quality potting mix. 

As it needs sun exposure to thrive, it requires more water as the soil dries out quickly.  Kale is prone to insect attacks so use different pests’ control.  Use liquid fertilizers to promote the plant’s growth. Harvest the kale from the bottom of the stalk upward. 

Tips for Containers:

  • Containers come in variant shapes and sizes. You can use anything from your home as a container unless it has a proper drainage system or you can make holes by yourself. Following things like toys, plastic bottles, bathtubs, furniture, and many more can be used as containers.
  • Try to avoid wooden containers as they are subjected to rot. But if you want to use them, paint them from the inside or apply sealing wax as it may add to the life of the container. Avoid treated wooden containers. They can add toxic chemicals into the soil that can damage plant roots or you may get even worse results.
  • Leached water from containers leaves marks on the floor or wood, so it’s a good idea to place something below the containers for the collection of excess water.
  • Large containers when fill with soil and plants they become heavy and difficult to move around. So first keep your container in a spot where there is no need for displacement means plants get every required thing. Or if there is a need for movement using a plant caddy.
  • If you have no idea about the size of the container, select bigger than the one with the bigger size. Because small-sized containers hold less soil and need to be watered and fertilized more frequently than larger ones, moreover by using a large containers you also have no need to transplant your plants.

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