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Now I know that “hydroponically” is not necessarily correct grammar, but it got your attention right? Anyways, I love gardening indoors just as I’m sure you do as well. It not only gives you a sense of privacy (depending on what your growing), but because it is an easy way to extend your outside garden inside if space is limited outside.

I’ve grown different types of vegetables, herbs, and some house plants and some have been very easy to work with, while others are just a straight pain in the behind because of so much testing and pampering that I had to do. Nevertheless, I learned alot and had a lot of fun at the same time which are the most important aspects of indoor gardening.

So whether you’re indoor gardening vegetables because you want fresh produce over the winter or you simply want to garden because you don’t have a plot outside, here are a few tips (with experience backing these up) for raising vegetables indoors.

Basics Of Growing Vegetables Indoors With Lights

The main issues for raising vegetables indoors are giving them the right level of light, having a good growing medium, the right humidity and temperature and air circulation. While you may find good potting soil outside and your apartment already has decent air temperature and humidity for growing plants, the reality is that your existing lights are not likely to be good enough.

The fluorescent lamps that keep ivy growing in the corner and supplement natural sunlight for your potted violets isn’t going to be strong enough to feed vegetables. This is why anyone raising vegetables indoors should plan on using grow lamps of some sort. Even an herb garden in the window may need supplemental light in the winter due to the shorter days.

Depending on the plants you select, you could raise them solely from sunlight coming in through the window. This is where plant racks that put the plants squarely in the middle of the window become essential if you don’t want to use grow lights. And in this case, you need to know how many hours of sunlight comes through the window and only put plants there that will thrive with that level of light.

Shelving lets you raise plants with a minimum of floor space, but you need to be careful to ensure that all plants get enough light. This could require a grow light for each shelf, but this means that you have to carefully place the lights far enough above your plants to not burn them.

Which Are The Easiest Vegetables To Grow Indoors Without Soil?

Fruiting vegetables like cucumbers and tomatoes need a lot more light than salad greens like lettuce. This is one reason why lettuce and spinach are so popularly grown in indoor factory farms while tomatoes are raised in greenhouses with natural sunlight.

The other reason is that their shallow roots make them suitable for growing even in shallow window boxes, though they are sometimes raised in grey-water systems and don’t need soil at all.

You can raise tomatoes under grow lights, but it is going to be more energy intensive. Corn, squash and beans need a lot of light and are best raised outside. Then there’s the fact that corn and beans (barring heirloom varieties) are so cheap that there’s no point in raising it yourself.

Herbs and root vegetables need less light than cucumbers and peppers, but root vegetables tend to need a lot of depth for their roots as well as vertical height for the leaves. This is why someone who wants to grow potatoes should consider a potato barrel outside instead of trying to raise them indoors.

Carrots require relatively little light and are hardy, but you could plant them along the edge of your flowerbed or under your bushes instead of trying to raise them inside. Conversely, you can plant them in containers, as well.

Best Vegetables To Grow Indoors

Click Image To View 9 Vegetables That You Can Grow Indoors

Your probably asking by now, Alicia, so what are the best vegetables to grow indoors? In short, these will be vegetables or plants that don’t take up alot of space especially horizontal space.

Also, vegetables or plants that don’t require too much pampering and constant supervision are some of the best vegetables to grow indoors especially if you are a beginner indoor gardener.

Beets and onions can be raised indoors, but from experience onions, garlic and herbs are a better choice since you’ll enjoy strong flavor from even a small harvest. In the case of herbs, you may be able to raise herbs in your own herb garden for less money than it would cost to buy them at the store.

Garlic greens stand out as an excellent choice since you can create a steady supply of garlic tops; just put the garlic cloves an inch deep in four inch deep soil and water regularly. If you get a pot that is at least 10” deep, you could grow fresh mint without much issue for your enjoyment and health.

Mini-tomatoes can be raised indoors as well. Cherry tomatoes have the added benefit of being fun to pop in a salad to eat. Lettuces can be raised indoors, but the cost-effectiveness is questionable. Peas prefer cooler temperatures, so they could be raised under grow lights if they aren’t exposed to too much heat.

Growing Broccoli, Cauliflower, and Potatoes

Broccoli, cauliflower and potatoes can all theoretically be raised indoors if given enough space to grow. Again, now you have to decide whether you really want fresh broccoli or would rather dedicated the space to herbs.

If you do want to raise plants like potatoes, you can buy potato “towers” and bags to grow them vertically. This tactic is employed by gardeners with limited mobility, since you don’t have to dig down into the soil to harvest the potatoes. Potato bags and towers can be reused two or three times a year to grow a crop.

How About Them Peppers and Scallions…

If you want to try to grow peppers indoors, such as an unusual variety not available at the grocery store, you’ll need a container that’s at least ten inches tall and a grow light. Hot peppers need at least ten hours of light a day.

At the other end of the spectrum are scallions. Scallions don’t even require you to buy seeds; simply bundle the scallions you get from the store and put the bottom of the bundle in water. Once the scallions start growing roots move them to soil and let them continue to grow.

Believe it or not scallions are a renewable resource. In other words if you harvest the green tops while leaving at least an inch to regrow, they will regenerate. You could also take one scallion out of the container to use the white portion while leaving the rest to continue growing.

Let’s Talk About Microgreens

Hands down for me the simplest vegetables to grow indoors are microgreens. What are microgreens? Well, these are the first shoots of salad vegetables like Swiss chard, mustard, basil, kale, cilantro, beetroot and arugula.

These shoots are called micro-greens because they are smaller than “baby greens”. These shoots are ofte

n used as garnishes on dishes. The benefits of raising microgreens include the fact that they’re available in one to two weeks and don’t require a lot of space.

Microgreens need at least a fluorescent light or two to grow, although 10-12 hours under a grow light is ideal. You want to make sure that you harvest them once they are one to two inches tall. This could take anywhere from one to three weeks, although strong light will help accelerate this process.

Last But Not Least Let’s Talk About Sprouts

Another easy vegetable that i could easily put in the same category as microgreens and that is sprouts. These vegetables are cheaper to grow at home than buy them at the store and they’re fresher when you raise them yourself.

To grow sprouts, you only need the seeds, a mason jar and a sprouting lid. Bean sprouts are about the most popular and easiest sprouts to grow. The best two things about growing sprouts is that they don’t really need much light to grow yet are so healthy to eat.



Additional Resources

9 Vegetables That You Can Grow Indoors No Matter What The Weather

Indoor gardening could mean anything from having a few plants hanging by the windowsill to a full-fledged indoor garden. It really all depends what your end goal is as an indoor gardener. I knew from the beginning that I wanted to concentrate on growing a variety of vegetables.

But, before I learned about how cilantro grows, or how carrots grow or even how mustard greens grow, I had to learn the top 4 basic principles of Indoor Gardening. Keep reading to find out what you need to know to become the best indoor gardener that you can possibly become.

Indoor Gardening 101


 Basic #1 – Indoor Garden Lighting

There are plants you can raise indoors without supplemental light. These tend to be plants that naturally grow on the forest floor or the second tier of the forest – they’re used to shade. African violets, ivy and other common houseplants fall into this category.

There are vegetables and herbs that can grow indoors with natural light from a window provided it streams in for enough hours a day. However, you may need to supplement with grow lights.

For example, fruiting vegetables or herbs do best with 10 plus hours a day of light, and you may not be receiving that through your biggest window in the winter. If you’re trying to get long day plants to flower, those that are programmed to flower during the summer, they need 14 to 18 hours of light.

Another factor to consider is spacing of the plants. If you put all the plants in the window, they’ll be exposed to that maximum amount of natural sunlight, but they may be exposed to colder air leaking in through the window than if you placed them in the corner under a grow light. If the plants are on shelves, there is the possibility the shelves themselves shade lower plants from the natural light.

You could supplement with grow lights or simply put grow lights on all of the shelves. Just make sure the lights aren’t too close to the plants, since light too close could sunburn the plants or simply overheat them. You can read my post on the Top 5 LED Grow Lights of 2018 to get more info on the different brands of grow lights on the market right now.

Artificial lighting becomes critical when you’re trying to maximize certain aspects of a plant’s growth. Red light stimulates leaves, while blue light stimulates the stems. Broad spectrum grow lamps provide both. One such grow lamp that I currently use and highly recommend is the Galaxyhydro 300w LED Grow Light which you can find on Amazon.com right now for a great price.

If you’re trying to delay flowering in plants or maximize leaf production for certain vegetables, advanced grow lights become essential. If you’re growing garlic and mint in a pot, that’s overkill.

Basic #2 – Soil/Growing Medium

The growing medium is simply what your plants are growing in. A pot full of soil scraped up from outside has its growing medium. Or it could be cuttings sitting in water as they grow roots before you transplant them to soil, another growing medium. It is rare that someone actually needs a hydroponics or airponics system.

The ideal growing medium is loose and drain wells but holds moisture so that the roots can absorb it while nutrients don’t drain away. You can create your own or buy it. Note that the ideal growing medium for your plants depends on the plants themselves, since some plants need different soil pH or varying soil qualities.

Most potting “soils” actually don’t contain soil. They’re made from a mix of peat, sand, and perlite (to improve drainage). A few more expensive mixtures contain water-retaining crystals to slow the release of water into the soil so you don’t have to water as often.

You can find specialized potting mixes for hard to raise plants like orchids and cacti, but most plants you’d like to raise indoors can be raised in any sterile commercial mix intended for indoor plants. It’s the soil from the weedy lot outside that could bring in unwanted seeds, pests and fungus that’s more likely to be an issue.

Another issue is the container you put the plant in. Always research how much space the plant needs, since putting a plant that needs 8” of depth in a 4” tray means you’ll fail to raise a healthy crop no matter how well-lit and watered it is. They need adequate space for the roots to grow out and down. The amount of space they need vertically varies, too.

When selecting pots or planters (Link to Amazon.com), look for ones with weep holes so it can drain out extra water; this will happen even if you’re watering it perfectly. Yes, you’re going to want a tray or pad under the plants to absorb this extra water. If they don’t have weep holes, the water-logged soil could suffocate the plant roots.

If you’re doing well, you can tell the plant needs to be moved to a larger pot because the roots are growing out the drainage holes. A plant that has no new growth probably needs to be moved to a larger container as well.

Basic #3 – What About Watering

All plants need to be watered. Whether you need to mist them daily or drench them every other day depends on the species. If you’re growing a mix of plants indoors, learn what their watering schedule needs to be or set up automatic watering systems (Link to Amazon.com) to water them for you. This is where putting the same plant on the same row simplifies things dramatically.

Plants also need a certain level of humidity. And the modern home runs too dry, especially in the winter. Don’t assume that a high level of humidity from misters or dripping from other plants reduces your need to water the plants.

However, you know that the plants are suffering from low humidity if the plants are withered, puckered, turning brown or losing their leaves. Don’t put plants in a tray of water to try to offset humidity, since this may over-water the roots or foster fungal growth.

An indoor gardening 101 note for new gardeners – you can use tap water in some cases but distilled water is better. Don’t use water leftover from cooking or other applications to water the plants, since it probably contains salts and food residue that your plants shouldn’t be exposed to.

Basic #4 – Temperature

Most plants we regularly grow indoors need temperatures of 65 degrees to 75 degrees Fahrenheit. A good indicator that it is too cold for the plants is yellowing of the leaves. This is where grow lights can cause plants to overheat, so be careful as to the right distance of the bulbs from the plants. The right distance varies between species, but too far means they don’t get enough intensity while too close means they get too much and risk overheating.

Sometimes plants are brought indoors after sitting on the deck or windowsill. Even these plants that need to be brought inside need to be acclimated by potting them, letting them spend some time in a shady spot part of the day to get them to thin their cuticle, and then move them inside.

If you were moving plants from your indoor garden to the outdoors, they’d need some time spent in direct sunlight that increases by an hour or two a day. This forces the plant to grow a thicker cuticle and prevents excessive water loss.

They’ll need to spend the night indoors for at least a week regardless of which way they’re going. This ensures that the garden plant that’s adapting for cold fall weather doesn’t get sick when you put it in indoor garden and that the seedlings you started off indoors don’t die when you plant them outside.

Conclusion

Just like learning and mastering anything else, indoor gardening is no exception, but it’s very rewarding. You will be in a position where you are growing your own vegetables, flowers, house plants etc. and also have the enjoyment of seeing a seed that you planted and nurtured come to fruition. For more information about indoor gardening visit the following link: https://en.wikipedia.org/wiki/Hydroponics or view the video below: