Buying secondhand urban planter boxes is an excellent way to create a lush garden while being budget-friendly and sustainable. However, a successful purchase requires careful inspection. Here’s what to prioritize.
First, scrutinize the material. Common materials include wood, metal, plastic, ceramic, and concrete. For wood, check for significant rot, soft spots, or persistent mold, which can compromise the structure. Treated wood is more durable but ensure it hasn't been treated with harmful chemicals if you're growing edibles. Metal planters should be examined for deep rust that creates holes. Light surface rust can often be scrubbed off. Plastic should be checked for brittleness or cracks, especially if it has been in the sun for years. Ceramic and concrete need a thorough look for chips and, most importantly, hairline cracks that can worsen with freezing and thawing.
Next, drainage is non-negotiable for plant health. Ensure there are adequate drainage holes at the bottom. If holes are missing, consider if you can drill them yourself, depending on the material. Also, check that existing holes aren't completely blocked by hardened soil or debris. Poor drainage leads to waterlogged soil and root rot, which can kill your plants.
Structural integrity is paramount, especially for larger planters. Test the stability of the box. Gently wiggle it to see if it feels sturdy. For wooden boxes, ensure joints are tight and not pulling apart. A planter filled with wet soil and plants is very heavy; a weak structure can lead to a disastrous collapse.
Finally, consider size, style, and cleanliness. Measure your space to ensure the planter will fit. Think about what you want to grow—deep-rooted vegetables like tomatoes need more depth than herbs. Give the planter a good cleaning with a mild bleach solution to remove any potential pests or diseases from the previous owner. By focusing on material condition, drainage, and sturdiness, you can find secondhand gems that will help your urban garden thrive for years to come.