For a school project, we need affordable but safe planter boxes and benches; what do you recommend?

Oh, I totally get that school project struggle—you want something that looks good, lasts through rain and rowdy kids, but doesn't drain your tiny budget. As someone who's been elbow-deep in mulch and wood stain, let me share what I'd recommend for affordable yet absolutely safe planter boxes and benches.

First, let's talk material. Untreated cedar is my go-to. It's naturally rot-resistant and smells amazing, so you don't need chemical treatments. Yes, it costs a bit more than pine, but it'll outlast three budgets. If that's too pricey, look for recycled plastic lumber—it's made from milk jugs and never splinters or rots. Bonus: no toxic preservatives. For benches, pallet wood works if you sand it down thoroughly and seal it with a child-safe, water-based finish. Just avoid pressure-treated wood (the greenish stuff) because it leaches chemicals into soil—bad news for plants and little fingers.

Now for safety beyond materials. Keep the bench legs wide for stability—nobody wants a tipping hazard during outdoor science class. For planter boxes, drill drainage holes and line the inside with landscape fabric to prevent soil from touching wood (moisture leads to mildew). Use stainless steel or coated screws instead of galvanized ones, which can corrode over time. And if you paint, pick zero-VOC, kid-friendly paints.

Need it super cheap? Upcycle old tires as planters (paint them brightly) or stack cinder blocks for modular seating—just cap the holes to prevent bugs. For benches, attach a hinged seat to a storage trunk: hides sports gear and doubles as seating. No welding required.

The secret? Simplicity wins. A simple rectangular cedar box on legs is a bench and planter in one. Build two, place them face-to-face with a plastic bucket between them, and voilà—a conversation pit. Add colorful cushions from thrift-store fabric, and you've got a spot where kids can read, plant seeds, or just chill.

Trust me, the frame will cost you around $30 per bench if you source wood locally, and the planters another $20. Skip the fancy plans—just measure, cut, and screw. Your school will thank you when the budget leftover buys ice cream.