Yes. There are several urban planter box options that are light enough to move by yourself, especially when you choose the right material and size. The key is to separate the empty container weight from the total weight of soil, water, and plants. A planter that feels easy to lift in the shop can become very difficult to shift once it is filled.
Fabric grow bags are one of the most practical choices. They are lightweight, flexible, and easy to carry when empty; once filled, use a plant caddy or move them only short distances. Rotomolded polypropylene or resin planters are also popular for balconies and patios because they are much lighter than concrete or ceramic and often include handles. Fiberglass and thin-walled aluminum boxes cost more, but they offer a sleek look with manageable empty weight. Modular planter kits are another smart solution: instead of moving one large heavy box, you move smaller sections one at a time. For small herbs and flowers, lightweight self-watering plastic planters work well.
For movable planters, casters matter more than lifting strength. Choose a planter with built-in wheels or place it on a planter caster or dolly rated for the filled weight. Keep the box modest in size—roughly what you can tilt and roll safely—and use a lightweight potting mix rather than dense garden soil. Avoid filling it to the brim, and place the planter near its final spot before adding soil. If you must move a planted box, empty some soil first, lift with your legs, and never twist while carrying.
In short, yes: fabric grow bags, resin planters, fiberglass or aluminum boxes, and modular units with casters can all be manageable for one person. Choose based on empty weight, filled weight, and how far you need to move it, not just the look of the planter.