23 Plants You Can Grow Without Soil
Are you a retailer, restaurateur, or local market owner looking to differentiate your produce offerings? Traditional farming methods may require extensive land and offer seasonal limitations. But what if you could grow fresh, high-quality produce all year round, right in your community?
Welcome to the future of agriculture: hydroponic vertical farming. With just 1.5 acres, you can produce up to 2.7 million servings of nutrient-rich leafy greens annually. This revolutionary approach not only makes farming more efficient but also more sustainable. Hydroponic systems use 90% less water than traditional farming and can be set up in unconventional spaces like parking lots or rooftops.
While not all crops are suited for hydroponic systems, many popular greens and herbs thrive in this soil-less environment. Intrigued? Keep reading to discover the top plants you can grow hydroponically and elevate your business to new heights.
Best Hydroponic Plants: Leafy Greens
When it comes to hydroponic farming, leafy greens are the go-to choice for many retailers and health-conscious consumers. From classic options like romaine to trendy superfoods, these nutrient-dense plants offer a range of flavors and health benefits. Here's a closer look:
Arugula
Arugula is more than just a salad green; it's a nutritional dynamo packed with calcium, folate, and vitamins A, C, and K. Its peppery kick makes it a versatile choice for salads, wraps, and even as a pizza topping. Retailers, take note: Arugula's unique flavor profile can attract a niche market of health-conscious consumers.
Optimal Growing Conditions: Arugula thrives in a hydroponic system with a pH level of 6.0-6.5 and prefers moderate light conditions.
Shelf Life: When stored properly, arugula can last up to 10 days in the refrigerator.
Culinary Pairings: Its peppery kick pairs well with citrus fruits, nuts, and soft cheeses like goat or feta.
Expanded Health Benefits: Beyond its rich nutrient profile, arugula also contains antioxidants that may help improve eye health and reduce inflammation.
Tips: Beyond salads and wraps, try adding arugula to your smoothies for an extra nutritional boost. Did you know? Chewing raw arugula leaves can even help alleviate bad breath!
Butterhead
Butterhead lettuce is a hydroponic favorite, known for its buttery texture and rich nutritional profile, including antioxidants like beta-carotene and lutein. It's an excellent choice for salads and lettuce wraps, making it a versatile option for retailers looking to diversify their produce section.
Optimal Growing Conditions: Butterhead thrives in a hydroponic environment with a pH level of 6.0-6.5 and moderate light conditions.
Shelf Life: Properly stored, butterhead lettuce can last up to 10-14 days in the refrigerator.
Culinary Pairings: Its buttery texture pairs well with crisp fruits like apples and light proteins like grilled chicken.
Expanded Health Benefits: In addition to its antioxidant content, butterhead lettuce is also a good source of iron.
Tips: Try using butterhead leaves as a natural wrap for light proteins or as a base for fruit salads.
Collard Greens
Collard greens are rich in nutrients and cultural history. They're a favorite in soul food kitchens and are gaining popularity among diverse foodies. Packed with vitamins and minerals, collard greens are a less trendy but equally nutritious alternative to kale.
Optimal Growing Conditions: Collard greens prefer a slightly acidic hydroponic environment with a pH of 6.0-7.0.
Shelf Life: When stored properly, collard greens can last up to 10 days in the refrigerator.
Culinary Pairings: These greens pair well with hearty meats like pork and strong flavors like garlic and onion.
Expanded Health Benefits: Collard greens are rich in fiber and contain compounds that may help lower cholesterol.
Tips: Collard greens can be sautéed, steamed, or even used in smoothies for a nutritional boost.
Green & Red Oak
Green and red oak lettuces are unique options that are easy on the digestive system. The red variety is particularly rich in antioxidants. These lettuces are perfect for those looking to offer something different, whether in salads or as a sandwich topping.
Optimal Growing Conditions: These lettuces thrive in a hydroponic system with a pH level of 6.0-6.5 and moderate to high light conditions.
Shelf Life: Green and red oak lettuces can last up to 7-10 days when stored properly in the refrigerator.
Culinary Pairings: These lettuces pair well with light vinaigrettes and citrus flavors.
Expanded Health Benefits: The red oak variety is particularly rich in antioxidants that may help combat oxidative stress.
Tips: Try mixing green and red oak lettuces in a colorful salad or use them as a crunchy addition to wraps and sandwiches.
Kale
Kale has become a staple in health-conscious diets, known for its high levels of antioxidants, vitamins, and minerals. It's a versatile green that can be used in everything from salads and smoothies to cooked dishes and kale chips. Retailers, this is a must-have for your organic section.
Optimal Growing Conditions: Kale thrives in a hydroponic system with a pH level of 5.5-6.5 and moderate to high light conditions.
Shelf Life: Properly stored, kale can last up to 7-10 days in the refrigerator.
Culinary Pairings: Kale pairs well with robust flavors like garlic, lemon, and nutty cheeses.
Expanded Health Benefits: Kale is credited with lowering cholesterol and may even help ward off certain types of cancer.
Tips: Beyond the usual uses, try making kale chips for a healthy snack or adding kale to soups for a nutritional boost.
Mustard Greens
Mustard greens offer a spicy kick and are a staple in southern cooking. They're fast-growing and packed with nutrients beneficial for eye and heart health. These greens are perfect for consumers looking for a leafy green with a bit of a bite.
Optimal Growing Conditions: Mustard greens prefer a hydroponic environment with a pH of 6.0-7.0 and moderate light conditions.
Shelf Life: When stored properly, mustard greens can last up to 5-7 days in the refrigerator.
Culinary Pairings: These spicy leaves pair well with hearty meats and strong flavors like garlic and onion.
Expanded Health Benefits: Mustard greens are rich in antioxidants and have immune-boosting properties.
Tips: Mustard greens can be sautéed with garlic and spices for a traditional side or tossed into a salad for an extra kick.
Rainbow Chard
Rainbow chard is not just visually appealing; it's also packed with dietary fiber, vitamins, and minerals. Its colorful stems and leaves can be used in a variety of dishes, from stir-fries to soups, making it a versatile choice for any retailer.
Optimal Growing Conditions: Rainbow chard thrives in a hydroponic system with a pH level of 6.0-7.0 and moderate to high light conditions.
Shelf Life: Properly stored, rainbow chard can last up to 7-10 days in the refrigerator.
Culinary Pairings: Rainbow chard pairs well with earthy flavors like mushrooms and root vegetables.
Expanded Health Benefits: In addition to its rich nutrient profile, rainbow chard is also high in antioxidants.
Tips: The stems can be used in stir-fries or sautées, while the leaves make a colorful addition to salads.
Romaine
Romaine lettuce is a hydroponic staple, easy to grow and packed with minerals like phosphorous, calcium, and potassium. It's a versatile green, perfect for salads, grilling, or as a garnish, making it a must-have for any retailer or restaurant.
Optimal Growing Conditions: Romaine thrives in a hydroponic environment with a pH level of 6.0-7.0 and moderate light conditions.
Shelf Life: When stored properly, romaine can last up to 10 days in the refrigerator.
Culinary Pairings: Romaine pairs well with a variety of dressings and toppings, making it a versatile choice for salads.
Expanded Health Benefits: Romaine is a good source of fiber and contains various antioxidants.
Tips: Try grilling romaine for a smoky flavor or use it as a base for protein-packed salads.
Spinach
Spinach is a hydroponic favorite, rich in vitamins and minerals. It's a versatile green, used in everything from salads and pizzas to casseroles and smoothies. Retailers and health influencers alike will find this leafy green to be a popular choice year-round.
Optimal Growing Conditions: Spinach prefers a hydroponic environment with a pH of 6.0-7.0 and moderate to high light conditions.
Shelf Life: Properly stored, spinach can last up to 7-10 days in the refrigerator.
Culinary Pairings: Spinach pairs well with a variety of proteins and is a popular choice for vegetarian and vegan dishes.
Expanded Health Benefits: Spinach is high in dietary fiber and has been shown to improve eye health.
Tips: Spinach can be used in a variety of cooked and raw dishes, making it a versatile choice for any kitchen.
Best Hydroponic Plants: Herbs
If you're more into herbs than salads, hydroponic cultivation offers a sustainable and efficient way to grow these flavor-packed plants. From spicing up your meals to crafting herbal teas and cocktails, hydroponic herbs are a versatile and eco-friendly choice.
Basil
From Thailand to Italy, basil is a popular choice in dishes the world over. Grind your leaves to make a pesto, toss a few in a tomato ragu, or use them to top an avocado toast. It’s almost impossible to go wrong with this versatile and delicious herb.
Optimal Growing Conditions: Basil thrives in hydroponic systems with a pH level of 5.5-6.5 and moderate light conditions.
Shelf Life: Properly stored, basil can last up to 7 days in the refrigerator.
Culinary Pairings: Basil pairs excellently with tomatoes, garlic, and olive oil.
Expanded Health Benefits: Basil is rich in antioxidants and has anti-inflammatory properties.
Tips: Beyond pesto, try adding basil to stir-fries, salads, or even as a garnish on pizzas.
Cilantro
Cilantro is one of those herbs that most people either love or hate — and there’s some evidence that the preference may even be genetic! Spice up salad dressings, incorporate it in your favorite rice dish, or use it to flavor nachos and other tailgating favorites. It’s always a good idea to have some cilantro on hand.
Optimal Growing Conditions: Cilantro prefers a hydroponic environment with a pH of 6.0-6.5 and moderate light conditions.
Shelf Life: When stored properly, cilantro can last up to 5-7 days in the refrigerator.
Culinary Pairings: Cilantro pairs well with spicy and citrusy flavors, making it a great addition to salsas and curries.
Expanded Health Benefits: Cilantro is rich in vitamins A and K and has been shown to help lower bad cholesterol levels.
Tips: Use cilantro to garnish tacos, stir into guacamole, or add a fresh note to spicy dishes.
Fennel
While it might not seem like much at first, add a little heat and this tasty herb becomes mild and sweet. It’s used in all sorts of traditional recipes from risotto to pasta salad to Thanksgiving stuffing. And it’s a favorite of modern and fusion cooks too!
Optimal Growing Conditions: Fennel thrives in a hydroponic system with a pH level of 6.0-7.0 and moderate to high light conditions.
Shelf Life: Properly stored, fennel can last up to 7-10 days in the refrigerator.
Culinary Pairings: Fennel pairs well with seafood, pork, and root vegetables.
Expanded Health Benefits: Fennel is rich in dietary fiber and has anti-inflammatory properties.
Tips: Try roasting fennel with other vegetables or adding it to soups for a unique flavor profile.
Lavender
Lavender is as lovely to look at as it is to taste or smell. This herb has long been used to help people relax or drift off to sleep. It’s a popular scent for perfumes and bath products. And it’s also a fun herb to play with in the kitchen!
Optimal Growing Conditions: Lavender prefers a hydroponic environment with a pH of 6.5-7.5 and high light conditions.
Shelf Life: When stored properly, lavender can last up to 10-14 days in the refrigerator.
Culinary Pairings: Lavender pairs well with both sweet and savory flavors, from honey to rosemary.
Expanded Health Benefits: Lavender is known for its calming effects and may help with anxiety and insomnia.
Tips: Experiment with lavender in teas, desserts, or even as a unique addition to savory dishes.
Oregano
From flavoring your favorite pasta dishes to topping warm fresh focaccia, oregano is a powerhouse herb that cooks adore. You’ll find it featured in dishes from Italy, Mexico, Greece, and Turkey — and it’s no wonder. The subtle and bright flavor is as versatile as it is delicious.
Optimal Growing Conditions: Oregano thrives in a hydroponic system with a pH level of 6.0-7.0 and moderate to high light conditions.
Shelf Life: Properly stored, oregano can last up to 7-10 days in the refrigerator.
Culinary Pairings: Oregano pairs excellently with tomatoes, garlic, and olive oil, making it a versatile herb in many dishes.
Expanded Health Benefits: Oregano is rich in antioxidants and has antimicrobial properties.
Tips: Use oregano to add depth to pasta sauces, pizzas, and grilled meats.
Peppermint
Peppermint is an excellent herb to stock year-round with a wintery flavor and a taste that reminds many of the holidays. In addition to its popular uses in teas, candies, and baked goods, this little green leaf is also a popular choice for aromatherapy and folk medicine.
Optimal Growing Conditions: Peppermint prefers a hydroponic environment with a pH of 6.0-7.0 and moderate light conditions.
Shelf Life: When stored properly, peppermint can last up to 7-10 days in the refrigerator.
Culinary Pairings: Peppermint pairs well with chocolate, vanilla, and various fruits.
Environmental Impact: Like other hydroponic herbs, peppermint requires less water and is often pesticide-free.
Expanded Health Benefits: Peppermint is known for its digestive benefits and is often used in herbal remedies for nausea.
Tips: Use peppermint to add a refreshing twist to teas, desserts, or even savory dishes like lamb.
Rosemary
For many, you simply can’t roast a chicken without a few sprigs of fresh rosemary. But its use doesn’t end there. This herb originated in the Mediterranean and is common in various cuisines from that part of the world. It’s also a popular choice for soaps and perfumes.
Optimal Growing Conditions: Rosemary thrives in a hydroponic system with a pH level of 6.0-7.0 and high light conditions.
Shelf Life: Properly stored, rosemary can last up to 14 days in the refrigerator.
Culinary Pairings: Rosemary pairs excellently with meats, especially poultry and lamb, as well as root vegetables.
Expanded Health Benefits: Rosemary is rich in antioxidants and has been shown to improve memory and concentration.
Tips: Use rosemary to add depth to roasted meats, vegetables, or even bread.
Thyme
Thyme is a favorite for flavoring meats, soups, and stews, but can be equally effective in vegetarian dishes and sides. The miniature leaves are particularly popular in dishes containing tomatoes, potatoes, or eggs.
Optimal Growing Conditions: Thyme prefers a hydroponic environment with a pH of 5.5-7.0 and moderate to high light conditions.
Shelf Life: When stored properly, thyme can last up to 10-14 days in the refrigerator.
Culinary Pairings: Thyme pairs well with poultry, pork, and vegetables, making it a versatile addition to many dishes.
Expanded Health Benefits: Thyme is rich in vitamins C and A and has antimicrobial properties.
Tips: Use thyme to add complexity to soups, stews, and roasted dishes.
Best Hydroponic Plants: Innovative Hydroponic Selections
While the herbs and leafy greens mentioned earlier are staples in hydroponic farming, the following selections represent the next wave of innovation in soil-free indoor agriculture. These crops are delicious and versatile, offering a range of culinary applications.
Celery
These long crunchy stalks are an excellent and nutritious after-school snack, but also a favorite paired with buffalo wings and blue cheese. Cook them with a roast, use them to flavor a casserole, or puree them into a silky smooth soup.
Optimal Growing Conditions: Prefers a pH level of 6.0-7.0 and moderate light conditions.
Culinary Pairings: Excellent with buffalo wings, in soups, or as a crunchy snack.
Expanded Health Benefits: Rich in antioxidants and provides a good source of dietary fiber.
Tips: Use the leaves in soups for added flavor or juice the stalks for a healthy drink.
Cucumbers
Not just for pickling anymore, cucumbers are a delicious way to cool down on a hot day. Tossed in a salad or sliced in a simple glass of cucumber water, the fresh taste of this vine-grown garden favorite is an excellent addition to nearly any meal.
Optimal Growing Conditions: Thrives in a pH level of 5.5-6.0 and high light conditions.
Culinary Pairings: Perfect in salads, sandwiches, or infused water.
Expanded Health Benefits: High in vitamins K and C and promotes hydration.
Tips: Slice thinly and add to water for a refreshing drink or use in skin-care routines.
Peppers
Surprisingly to some, peppers are actually a fruit. Part of the nightshade family, they come in an enormous variety of shapes and sizes, with flavors ranging from sweet and mild to burn your tastebuds off hot.
Optimal Growing Conditions: Prefers a pH level of 6.0-6.5 and high light conditions.
Culinary Pairings: Versatile in dishes from stir-fries to stuffed peppers.
Expanded Health Benefits: Rich in vitamins A and C, and capsaicin, which has anti-inflammatory properties.
Tips: Use mild peppers in salads and spicy varieties to kick up your salsas and sauces.
Snap Peas
Snap peas are a delicious vegetable with an edible hull. Sometimes called sugar snap peas, these greens are delicious when paired with nearly any flavor. They offer plenty of nutritional benefits and can be eaten steamed, cooked, or even raw.
Optimal Growing Conditions: Thrives in a pH level of 6.0-7.0 and moderate to high light conditions.
Culinary Pairings: Excellent in stir-fries, salads, or as a standalone snack.
Expanded Health Benefits: High in fiber and vitamin C.
Tips: Steam lightly to retain crunch and nutrients or enjoy raw as a snack.
Strawberries
A favorite berry for many, strawberries are a sweet taste of summer. But they don’t have to be. When you grow the plants indoors, they’re ripe for the harvest at any time of year. Enjoy a strawberry and spinach salad in January, or make chocolate-covered strawberries for your sweetheart on Valentine’s Day. The possibilities are endless when you’re not confined to a single harvest season.
Optimal Growing Conditions: Prefers a pH level of 5.8-6.2 and high light conditions.
Culinary Pairings: Perfect for desserts, salads, or as a fresh snack.
Expanded Health Benefits: Rich in antioxidants and vitamin C.
Tips: Freeze for smoothies or dip in chocolate for a luxurious treat.
Tomatoes
Tomatoes are a favorite savory fruit for home gardeners because they’re easy to grow and offer a huge variety of uses. Eat them fresh, cook them into your favorite recipes, or turn them into a delicious sauce and can them for later use.
Optimal Growing Conditions: Thrives in a pH level of 6.0-6.5 and high light conditions.
Culinary Pairings: Versatile in everything from salads to sauces.
Expanded Health Benefits: High in lycopene, an antioxidant that may reduce the risk of certain cancers.
Tips: Use fresh in salads or cook down into sauces and stews.
Benefits of Hydroponically Grown Produce
In today's competitive market, standing out is more important than ever. As a retailer, you're not just selling produce; you're selling an experience and a set of values. Hydroponically grown plants offer a unique selling point that can set your store apart from the rest. Here's why:
Year-Round Availability: Unlike traditional farming, hydroponic systems allow for year-round cultivation. This means you can offer fresh, local produce to your customers no matter the season.
Quality and Consistency: Hydroponic farming provides a controlled environment, ensuring that each batch of produce meets high-quality standards. This consistency is something your customers will appreciate and come back for.
Sustainability: As consumers become more eco-conscious, sourcing sustainably grown produce can give your store an edge. Hydroponic systems use less water and land compared to traditional farming methods, aligning with the values of environmentally conscious shoppers.
Space Efficiency: With vertical farming techniques, a small footprint can yield a large harvest. This means you can source from local hydroponic farms, reducing transportation costs and carbon footprint.
Customization: Hydroponic farming allows for the cultivation of a wide variety of plants. This opens the door for you to offer unique and exotic produce that can't be found in every grocery store.
Fast to Market: Our 48-hour delivery guarantee ensures that you'll have the freshest produce on your shelves, enhancing customer satisfaction and reducing waste.
Growing with Eden Green Technology
Are you a retailer, health influencer, or consumer committed to offering or consuming sustainably-grown, top-quality produce? Eden Green Technology is your go-to partner for transforming the future of agriculture and food consumption. Here's why:
Variety: With a diverse range of both traditional and innovative hydroponic selections, we offer something for every palate and purpose.
Customization: Our white-label produce options allow you to offer specialized blends of salad greens, fresh herbs, and more, tailored to your specific needs.
Quality: Our hydroponically-grown produce adheres to the highest industry standards and is available year-round, regardless of external climate conditions.
Don't just read about the future of agriculture—be a part of it. Take the first step in aligning your business or lifestyle with sustainability and impactful community contributions.
🌱 Learn more about the benefits of hydroponics
🌱 Discover why hydroponics are better than traditional farming
🌱 Understand what hydroponics is
Become a part of the solution. Let's grow together for a healthier, more sustainable world.