Moving a large, filled urban planter box once it's in place is notoriously difficult. The combined weight of soil, plants, water, and the container itself can be immense, making relocation a significant physical challenge. However, with proper planning and technique, it can be done.
First, assess the situation. Empty excess water from the soil a few days prior to moving; saturated soil is substantially heavier. Consider removing some topsoil or temporarily relocating large plants to separate pots to reduce weight.
The right tools are essential. Never attempt to lift and carry it alone. Enlist help. Use a sturdy, flat furniture dolly. Secure the planter to the dolly with straps. For very heavy boxes, consider specialized plant caddies with wheels or a heavy-duty hand truck. Slide lifting straps underneath the box for a safer, ergonomic grip if lifting is unavoidable.
Protect your surfaces. Use plywood or cardboard as a runway if moving across delicate flooring or uneven ground. Plan the new location carefully to avoid repeating the process.
For permanently placed, extremely large planters, the most practical solution may be to redesign the garden in situ rather than move the box itself. Ultimately, while moving a filled large planter is difficult, strategic preparation and mechanical assistance make it a manageable task.