There are many reasons to grow your own food. Avoiding pesticides. Reducing the environmental impact of transporting produce. Improving the nutritional value of the produce you eat. But what if you don’t have room for a garden? Fortunately, there’s a trendy method of indoor gardening that’s taken off in the last few years: window farms.
The trend reflects a dramatic surge in home food production. According to a 2025 Frontdoor survey of nearly 1,000 Americans, 71% planned to grow a food garden in 2025, with urban dwellers (72%) nearly matching rural residents (78%). More than 27% of food gardeners are growing indoors, making window gardens one of the fastest-growing categories. The motivation is clear: 61% of respondents who grew food in 2024 estimated saving $875 on groceries, and two-thirds of 2025 gardeners said their primary goal was access to high-quality produce. Meanwhile, recent gardening statistics show that more than 43% of Americans now grow some kind of food at home, up from roughly 35% just a few years earlier.
Window farms, a form of hydroponic gardening, are vertical gardens that you can grow inside a house or apartment. And due to their vertical orientation, they take up very little space. They get light from a nearby window. As a bonus, you can grow plants in your window farms year-round. Most types of plants work for this gardening method, except for root vegetables such as carrots, potatoes, or parsnips, which would require much larger containers for the roots to grow.
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How it Works
The window farm uses multiple small conical containers set up one above the next. A fluid drip system uses gravity to transfer water and nutrients from the top container to each one below it.
Instead of dirt, window garden containers are filled with clay pebbles, also known as LECA (lightweight expanded clay aggregate). You can find LECA clay pebbles on Amazon in various bag sizes. The pebbles hold just enough water to keep the roots of the plant moist while allowing air in, and letting excess water drip down to the next container below. The remaining water is collected at the bottom of the stack, pumped to the top, and recirculated, creating an “ebb and flow” water-recycling system.
Setting Up Your Window Farm
The best part? You can easily set up a window farm with repurposed materials such as empty plastic bottles for growing crops and large, empty jars or plastic jugs for water-collection basins. All you need is a pump system, some pebbles, twine, and some plastic tubing to recirculate the fluids. You also need a hydroponic fertilizer solution to mix into the water supply to provide your plants with needed nutrients. For a brief introduction, visit WikiHow or you can check out a video guide, such as this one from GrowAce.
Essential Products to Get Started
If you’d rather skip the DIY approach, several ready-made options make window gardening accessible to beginners:
- Hydroponic herb kits. The Environet Hydroponic Mason Jar Herb Garden Kit includes self-watering mason jars with organic basil, cilantro, and mint seeds — a perfect windowsill starter set.
- LED indoor garden systems. For a more automated setup, the Click & Grow Smart Garden and similar countertop hydroponics systems with built-in LED grow lights let you harvest herbs and leafy greens year-round, even in low-light apartments.
- Window shelves. The Window Garden Veg Ledge is a clear acrylic suction-cup shelf that attaches directly to glass, extending your sill space for herb pots and microgreens trays without any drilling.
- Self-watering planters. The Aquaphoric Herb Garden Tub uses a built-in wicking system to keep soil consistently moist, making it ideal for windowsill herbs that need steady moisture.
- Clay pebbles/LECA. If you’re building a traditional window farm, grab a bag of expanded clay pebbles — they’re reusable, pH-neutral, and provide excellent drainage and aeration for hydroponic systems.
- Organic herb seeds. For stocking your window garden, the Sereniseed Certified Organic Herb Seeds 10-Pack includes basil, cilantro, oregano, thyme, parsley, lavender, chives, sage, and dill — all non-GMO and heirloom varieties suited for indoor growing.
Seeds to Select for Success
Not every plant thrives in a window garden. Focus on varieties that perform well in containers with limited root space and variable light:
- Herbs are the easiest window garden crops. Basil, cilantro, mint, parsley, chives, and oregano all grow well in small pots or hydroponic setups. Herbs also deliver the most value per square inch — fresh herbs from the grocery store can cost $3–4 per small bunch, while a single plant produces for months.
- Leafy greens like lettuce, spinach, and arugula thrive in shallow containers and tolerate lower light levels. Look for compact or “baby leaf” varieties bred for small-space growing.
- Microgreens are nutritional powerhouses that go from seed to harvest in just 7–14 days. Sunflower, radish, broccoli, and pea shoots are popular choices that grow well on windowsill trays.
- Cherry tomatoes and small peppers can be produced in window farms, though they need south-facing windows with at least 6–8 hours of direct sun. Compact varieties like ‘Tiny Tim’ tomatoes or ‘Lunchbox’ peppers are good choices.
- Green onions can be regrown from kitchen scraps — just place the root ends in water on a sunny windowsill, and they’ll regenerate repeatedly.
Six Window Garden Ideas We Love
If you want to dig more deeply into window gardening, here are six ideas we love.
- Floating Window Shelves. Install clear acrylic shelves across your window frame to create the illusion of plants floating in mid-air. This minimalist design allows maximum light penetration, making it perfect for small succulents and air plants.
- Hanging Herb Garden. Utilize hanging planters or macramé hangers to suspend herb pots in front of your window. This not only saves counter space but also ensures your herbs receive ample sunlight, making them easily accessible for cooking.
- Vertical Window Garden with Recycled Bottles. Create a vertical garden by repurposing plastic bottles attached to a wooden frame or directly to the window. This eco-friendly project is ideal for growing small vegetables or herbs and adds a unique aesthetic to your space.
- Indoor Greenhouse Window. Transform your window into a mini greenhouse by installing a glass enclosure. This setup provides a warm environment for your plants, making it suitable for colder regions.
- Windowsill Herb Garden. Dedicate your windowsill to a row of small pots filled with your favorite herbs. This simple approach ensures your plants get plenty of light and adds a touch of greenery to your kitchen or living area.
- DIY Indoor Window Garden with Soda Bottles. Recycle empty soda bottles to create a vertical garden attached to your window. This project is cost-effective and allows you to grow various herbs and small plants, maximizing limited space.
If you’re seeking to set up a garden but have only a little bit of space to work with, a window farm is a great solution. With 54% of food gardeners in 2025 explicitly aiming to lower their grocery bills — and 36% responding directly to rising food costs from tariffs — a windowsill garden is one of the simplest ways to start growing your own food without a yard.
Editor’s Note: This article was originally published on October 29, 2019, and was updated in March 2026.