Living in a tiny apartment shouldn't mean you can't grow your own food. Many people think they need a backyard or at least a massive patio to start a garden, but that is not the case anymore. All you really need is a wall that gets a little bit of sun and some items you were probably going to throw in the recycling bin anyway. It is about looking at your space differently. Instead of looking at the floor, look at the walls. Vertical gardening is a major shift for city dwellers because it uses the one thing we usually have plenty of: empty vertical space. By stacking plants on top of each other, you can grow a dozen different herbs or greens in the same footprint as a single large pot. It sounds like a lot of work, but I promise it is simpler than it looks. Have you ever looked at a two-liter soda bottle and seen a potential home for a head of lettuce? Most people haven't, but once you start seeing the world this way, you will never look at trash the same way again.
At a glance
Before you start raiding your neighbors' recycling bins, let us look at what you actually need to get a vertical system off the ground. Most of these items are free or very cheap. The main goal here is to keep things light so they don't pull your wall down or stress your balcony railing.
| Material | Purpose | Source |
|---|---|---|
| Plastic Bottles | Main containers for plants | Recycling bin (wash them first!) |
| Zip Ties or Twine | Attaching bottles to a frame | Hardware store or kitchen drawer |
| Old Wooden Pallet | The frame to hold everything up | Behind grocery stores (check for 'HT' stamp) |
| Potting Mix | The actual dirt for the plants | Garden center (get the light stuff) |
Picking the Right Spot
The first thing you have to do is find where the light hits your apartment. If you have a balcony, that is the obvious choice. If you don't, a sunny wall near a window works too. Keep in mind that different plants need different amounts of light. Lettuce and spinach are pretty happy with just a few hours of sun, while things like peppers or strawberries really want to soak it up all day. If you are building outside, make sure your vertical wall is sturdy. Wind can be a real problem for apartment dwellers high up in a building. You don't want your new garden blowing away in a summer storm. I usually suggest anchoring your frame to something solid like a railing or a heavy base. It is a simple step that saves a lot of heartbreak later on.
Preparing Your Containers
Let us talk about those soda bottles. You want to use the two-liter size if you can, as they give the roots more room to breathe. Cut a large rectangular hole in the side of the bottle, but leave the cap on. This hole is where your plant will grow out from. On the opposite side of the hole, poke a few tiny drainage holes. Drainage is everything in container gardening. If the water has nowhere to go, your roots will just sit in a puddle and rot. Nobody wants a soggy, stinky garden in their living room. You can also use milk jugs or even old laundry detergent bottles, just make sure you wash them out really, more than you think you need to. Any leftover soap or chemicals will kill your plants faster than you can say 'green thumb'.
A quick tip: If you are worried about the look of clear plastic, you can wrap the bottles in burlap or paint the outside. Just avoid dark colors like black, as they soak up too much heat and can cook your roots on a hot day.
Assembling the Frame
Now comes the fun part: putting it all together. A wooden pallet is the easiest frame to use because it already has slats you can tie things to. If you find one, look for a stamp that says 'HT'. That stands for Heat Treated. It means the wood wasn't soaked in nasty chemicals to keep bugs away. You don't want those chemicals leaching into your food. Sand it down a little so you don't get splinters, then lean it against your wall or secure it to your balcony. If you don't have a pallet, you can use a wire cooling rack or even just some strong mesh hung from a couple of hooks. The goal is to have a grid where you can attach your bottles. Space them out so the plants on top don't block all the light for the plants on the bottom. It is a bit like a puzzle, and you might have to move them around a few times to get it right.
Soil and Planting
Don't use regular garden soil from a bag labeled 'Topsoil'. It is too heavy and won't drain well in a container. It also might have bugs or weed seeds in it. You want a potting mix specifically made for containers. These usually have peat moss or coconut coir in them, which keeps things light and airy. Fill each bottle about three-quarters full. When you put your plant in, make sure you don't bury it too deep. The base of the stem should be right at the soil line. Give it a gentle pat and a little bit of water. Because these containers are small, they will dry out faster than a big garden bed. You will probably need to water them every day during the summer. I like to water the top row and let the extra drip down into the row below. It is a built-in recycling system for your water.
Keeping it Sustainable
The whole point of this is to reduce our footprint. By using recycled materials, you are keeping plastic out of the landfill. By growing your own greens, you are cutting down on the fuel used to ship salad mix across the country. Plus, home-grown food just tastes better. There is something really satisfying about walking five feet to your balcony to pick the lettuce for your dinner. It makes you feel connected to the earth, even if you are twenty floors up in a concrete tower. Start small with just three or four bottles. Once you see how easy it is, you will want to cover every inch of your wall in green. Just remember to check your lease first; some landlords get a little nervous about 'living walls', though most are fine with a few pots on a pallet.
