If you have a wood stove or fireplace, save the ash! It's rich in calcium carbonate and potassium, perfect for neutralizing acidic soil. However, avoid using it if your soil is already alkaline ...

Eggshells' primary ingredient, calcium carbonate, specifically targets blossom end rot ... and boosting calcium in the soil. That latter solution is where eggshells and eggshell fertilizer come into ...

If you want to see your hydrangeas thrive, you need to take care of your soil. Here's the kitchen scrap you'll want to save ...