Moving large, heavy planter boxes once they're filled with soil requires careful planning and proper technique to prevent injury and damage. First, assess the weight - a 2x2x2 foot planter can weigh over 200 pounds when filled with moist soil. Always attempt to lighten the load first by removing some soil or temporarily relocating plants.
For smaller heavy planters, use a plant dolly or hand truck with sturdy straps to secure the container. Position the dolly at a slight angle, tilt the planter onto it, and secure it before moving. For extremely heavy containers, consider using furniture sliders underneath or a specialized pot lifter with leverage system.
When lifting is unavoidable, use proper technique: bend at your knees, not your waist, keep your back straight, and lift with your leg muscles. Work with a partner for anything over 50 pounds, communicating clearly about movement direction. Clear your pathway beforehand and move slowly, taking breaks as needed.
Alternative solutions include using wheeled plant stands from the beginning, installing casters before filling with soil, or building planters in their permanent location. Remember that wet soil significantly increases weight, so consider moving during dry conditions. Always wear supportive shoes and gloves for better grip and protection. For extremely large containers, professional movers with appropriate equipment may be your safest option.