Adding slow-release fertilizer to your new urban planter boxes is a fantastic way to provide steady nutrients for your plants. Here's a natural and effective method to mix it in. First, ensure your planter boxes are filled with a high-quality potting mix, not garden soil. Pour the recommended amount of granular slow-release fertilizer onto the soil surface. Using a small hand trowel or your gloved hands, gently but thoroughly mix the fertilizer granules into the top 4 to 6 inches of the soil. This integrates the nutrients into the root zone where plants can access them. Avoid creating deep pockets of pure fertilizer. Once mixed, water the soil lightly to activate the fertilizer's coating. This simple process, done at planting time, will feed your plants consistently for months, making your urban gardening journey more successful and enjoyable. Remember to always follow the specific application rates on your fertilizer's package label.
How do I mix slow-release fertilizer into the soil of my new urban planter boxes?
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