The best approach is to avoid lifting the planter as much as possible. A filled urban planter can weigh hundreds of pounds, and its weight is often uneven because the soil, drainage layer, and plant are not balanced. Start by estimating the weight and checking the planter for cracks, loose joints, or weak points. If the planter can be emptied, remove the plant, scoop out the soil, and move the empty box; this is always the safest option. If the plant must stay in place, reduce the soil level only if the plant can tolerate it, and do not water the planter before moving—wet soil is much heavier.
Clear a wide path, protect floors with plywood, and use a heavy-duty furniture dolly or hand truck rated well above the planter’s weight. Use a pry bar to lift one edge just enough to slide a wedge or dolly under the base. Never put hands under a heavy planter or rely on a single person. Use ratchet straps to secure the planter to the dolly, and ask two or more helpers to guide and stabilize it. For short level moves, lift one side with a pry bar and place round pipes or moving rollers underneath; push slowly and reposition the rollers as you go. Use a plywood sheet or ramp for thresholds, and avoid stairs, slopes, or soft ground if possible. If the planter must go up or down steps, hire professional movers or empty it first. Work slowly, wear gloves and sturdy shoes, and keep the load low and balanced.