Keeping plants thriving in urban planter boxes requires a smart approach to fertilization. Unlike garden beds, containers have limited soil volume, meaning nutrients deplete quickly and need regular replenishment. The best way to fertilize starts with choosing the right food. A balanced, water-soluble fertilizer or a trusted organic option like fish emulsion or compost tea is ideal for providing essential nutrients. The key is to follow a "little and often" feeding schedule. During the peak growing season in spring and summer, fertilize your plants every two to four weeks. Always water the soil thoroughly before applying fertilizer to prevent root burn. For a more sustainable method, mix slow-release fertilizer granules or worm castings into the potting soil at planting time; they provide a steady nutrient supply for months. Remember, over-fertilizing can harm plants more than under-fertilizing, so observe your plants' response—yellowing leaves or weak growth often signals a need for nutrients. Pair your feeding routine with consistent watering and ample sunlight for truly vibrant urban greenery.
What's the best way to fertilize plants that are in urban planter boxes?
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