One budget-friendly hack that has saved me a lot of money in the long run and has also benefited my vegetables' growth is using natural, homemade fertilisers. I personally like to use banana peel water and coffee grounds for this. Banana peels are high in potassium, while also containing magnesium, phosphorus, iron, and calcium. Coffee grounds, on the other hand, are high in nitrogen. Because of this, using both is a great way to give your veggies a little 'boost' while not having to pay premium prices for premium fertilisers. To make banana peel water, start by collecting your peels in a jar. Once it's full, fill it with room-temperature water and let it rest in a dark spot for a few days. The next step is to pour the water into a saucepan and boil it for half an hour. The idea behind this is that boiling banana peels in the water infuses it with more nutrients than if cold water were used. Once this is done, let your mixture cool down, remove the peels, and mix it with water. You should be aiming for a 5 parts water to 1 part banana peel mixture ratio for best results. The banana water can then be put in a spray bottle and used on your vegetables every two weeks to give them the nutrients that they need to grow. Coffee grounds are even easier to prepare. Make sure to let any spent coffee grounds cool and then put them in the jar. Once you have collected enough, simply sprinkle a thin layer directly onto the soil. This will allow the nutrients to be absorbed by the ground. Just like with banana peel water, I make sure to do this regularly, every two weeks, as I have found that this gives me the best results.
I line my raised beds with a homemade weed barrier: strips of old cardboard brushed with a thin layer of filtered used cooking oil. The oil waterproofs the cardboard and deters pill bugs and weeds, yet breaks down slowly enough to last a season. The materials are free; local cafes let me skim a few litres, and I've eliminated the cost of landscape fabric while keeping soil moisture higher all summer.
One budget-friendly hack I've used in my vegetable garden is creating my own compost. Instead of buying expensive store-bought compost, I started collecting kitchen scraps like coffee grounds, vegetable peels, and eggshells, along with yard waste like leaves and grass clippings. I set up a simple compost bin in a corner of the garden and let it break down over time. This has significantly cut down on the cost of buying soil amendments and has improved the quality of my garden's soil, leading to healthier plants. Plus, it reduces waste and helps retain moisture in the soil, which saves water. Over the past couple of seasons, I've noticed a big improvement in the yield of my crops, and I've saved a lot on both gardening supplies and water usage. It's a win-win for both the environment and my wallet.
I love using homemade compost in my vegetable garden and have found this to be a great way to save some money with gardening. You definitely need to be careful what type of fertilizer you're using with edible plants, often needing a formula that's organic and specifically formulated for vegetables, and those can get pricey! Once I got my compost heap going to the point where I more or less always have compost that's ready to be used, I was able to stop purchasing commercial fertilizer and I think my vegetable garden is happier than ever.