Lets Grow! How and When to Fertilize Your Vegetable Garden When to Fertilize Your Garden For edible crops, fertilizer is usually applied in the spring and mixed into the garden soil before planting If you’ve already sown your seeds or planted seedlings, you can still gently work in granular fertilizer (not liquid fertilizer, which can burn young roots) around the plants
How to Use Fertilizer to Help Plants Flourish - Better Homes Gardens If you’re unsure how much fertilizer to give your potted plants, it’s always better to under-fertilize than go overboard Adding too much fertilizer can make it harder for the plant’s roots to soak up water An overdose of fertilizer can also cause leaves to turn brown or yellow, the opposite of what you’re trying to achieve