Best Vegetables to Grow Indoors Under Lights

If you’re tired of hitting the market just to buy a bundle of vegetable ingredients, perhaps you’ll love the idea of picking some at home. If you don’t have enough space, that’s not a problem. There are some best vegetables to grow indoors under lights.

These are cool-season green leafy vegetables like spinach, lettuce, kale, and other veggies such as onions, cabbage, radish, etc. They’re packed with nutritional value and are easy to grow. Hence, they’re among the best to cultivate at home.

In this article, you’ll discover the top 10 best vegetables to grow indoors and some ideas to help you succeed in cultivating them.

1.   Spinach


Did you know that spinach can help treat health conditions such as cognitive functions and fatigue? The best thing is, you don’t need a garden to grow this vegetable. You can maximize your window ledge or turn your basement into a vegetable garden.

Spinach is actually one of the fastest-growing leafy vegetables you can plant indoors under lights. Just like how you’d sow a plant, you’d have to prepare a neutral pH soil with organic materials to set up these greens.

2.   Lettuce

I’ll bet, in your mind, you’re savoring the sweet, palatable, and crisp leaves of one of the most popular vegetables in the US: lettuce.

While lettuce plants grow best under full sun, they can also adapt to room temperature hence, it’s easy to cultivate indoors. Just make sure to place them under lights for a minimum of 12 hours per day to ensure optimal growth.

On top of that, you can use loose soil with good drainage and add some organic matter. These factors will guarantee that your lettuce receives the essential nutrients it needs to grow and mature.

3.   Kale


Did you know that a cup of fresh kale has a hundred percent absorbable value of Vitamins A and K? It’s also rich in lutein, which helps keep your eyes and vision healthy.

Planting vegetables like this indoors will prompt you to consume more of them whenever they’re harvestable. As such, you’ll surely get the nutritional value your body needs in a day.

Growing Kale indoors isn’t a hassle. You just need to have enough space—container size will be perfect—and a good amount of light.

This vegetable basically needs six hours of direct sunlight or more, so when growing it indoors, you can give it at least 12 to 18 hours of grow lights.

4.   Onions

Onions are the third largest fresh vegetable consumed in the United States. It’s one of the primary and well-kept ingredients for almost all dishes, often eaten fresh or cooked.

Planting this vegetable indoors is a wise move. Not only because it’ll save you money, but it’s also nice to harvest fresh bulbs whenever you run out of stock. Besides, it’s fairly easy to grow and it can thrive in almost all climates.

In planting this onion, you’ll need a good amount of light for about 12 to 16 hours. You’ll also need enough space or a big container with a depth of no less than six inches to ensure proper growth.

There are two ways to grow this versatile vegetable: plant a seed or plant a leftover bulb. The latter is a lot easier and has a higher chance of growing.

With the right amount of knowledge and willingness to grow this, you’ll surely have a very attractive onion mini-ranch indoors.

Also Check: What Houseplants Like to Be Misted?

5.   Radish

Radish is one of the best vegetables to cultivate in containers since its seeds germinate pretty quickly. They’re also easy to please, so you won’t have much trouble growing them indoors.

Radishes need at least six hours of sunlight per day. In cases when your indoor garden doesn’t get much sun, supplemental lightning will do.

Just make sure to expose it to longer grow lights since basically an hour of sunlight is equivalent to two hours of grow lights.

6.   Cabbage

Cabbage, being a small and easy-to-cultivate plant, is perfect to grow in indoor settings. It can thrive well in pots, seed beds, and hydroponics.

You can sow the cabbage seeds in a warm and well-lighted spot that’s near a bright window or under LED or fluorescent grow lights.

This will give your cabbage enough light essential for their growth.

7.   Tomatoes

While tomatoes are fruits, nutritionists consider them a vegetable.

Growing tomatoes indoors is a great idea, especially if you’re a fan of eating fresh, juicy tomatoes or preparing them in savory dishes. Not only will you take full advantage of its nutritional value, but you’ll certainly enjoy the additional aesthetic it brings to your home.

When growing tomatoes indoors you’ll be needing enough light to ensure the germination, leafing, and flowering of your plant. LED lights actually improve the vegetable’s nutritional quality, and it’s highly efficient in controlling the temperature and condition of your tomatoes.

8.   Carrots


Carrots are one of the best vegetables to grow indoors. They aren’t just easy to cultivate, but they also give a nice touch to your indoor garden. The green, lacy foliage of this plant is something you’ll surely love glancing at as you come across them.

One important thing you need to make sure of when planting this vegetable is that it needs a big container. It had to be at least eight inches deep. A deeper container with a depth of 12 inches and a width of four inches is highly preferred too.

It’s important to note that the size of your container will determine the number of carrots you can grow. Additionally, this vegetable needs plenty of light when cultivated indoors, preferably 12 hours a day.

Related: 9 Best Plants for Office With No Windows

9.   Scallions

Scallion or green onion is one of the best and most popular vegetables to grow indoors. The reason is, it’s pretty easy to grow and doesn’t need an expert hand to cultivate. In fact, scallions will keep growing all year round.

This vegetable needs plenty of light. You’ll need to turn on your fluorescent for 16 hours a day and give it a dark rest for eight hours. In this case, a grow light with a timer will do the work for you.

Scallions also need an ample amount of water, especially because they dry out during periods of drought. Moreover, they don’t need much fertilizer, but it’s best to sow them in organic soil that drains pretty well.

In one to two weeks’ time, its seedlings will emerge. Sooner or later, you can harvest some to complement your dish.

10. Potatoes

If you’re questioning whether you can really grow potatoes indoors, the answer is: Yes, you can!

Growing this vegetable indoors is a lot easier than you think. You just need a large bucket, preferably with a depth of 18 inches and a diameter of 16 inches, and well-draining soil.

You’ll also have to expose them to lights for eight to twelve hours a day to ensure proper growth.

Potatoes are rich in nutrients and contain antioxidants that can protect your cells against free radicals and other diseases. By cultivating this indoors, you can get a fresh harvest and make great dishes and snacks out of this versatile vegetable.

To Sum Up

Owning a vegetable garden is one of the best and most practical things you can do in life. It’ll save you some money and give you fresh and healthy food. More than that, it’s a good form of exercise and a natural stress reliever.

You shouldn’t worry about not having a spacious and favorable outdoor garden. If you’re only willing to invest in buying growing lights and pots, you can definitely make use of some spaces inside your home.

The above best vegetables to grow indoors under lights are pretty simple and easy to cultivate. Just enjoy the process of growing them and you’ll soon wake up with abundant healthy food to create delicious dishes with.