Yes—with a caveat. There are not many mainstream urban planter boxes sold with “cat-proof” as a formal product category, but there are several designs that work as cat-resistant or cat-proof planter systems, especially when used together with a fitted cover or grate.
The most reliable options are covered or domed planter boxes. These usually have a solid lid, wire mesh dome, or removable grille that lets plants grow through while preventing cats from digging, sleeping in, or using the soil as a litter box. Look for models with sturdy locks, close-fitting edges, and openings sized for plants rather than paws.
Balcony rail planters and window boxes can also be made cat-proof with fitted soil guards. A rigid grate set just above the soil is one of the simplest solutions: it stops digging while still allowing watering and airflow. For urban balconies, elevated or wall-mounted planters are useful because they are harder for cats to reach, though they are not completely immune to a determined jumper.
Other practical designs include tall, narrow planters with small soil surfaces, self-watering containers with concealed reservoir grates, and modular raised beds with hoop frames and netting. Weighted bases and narrow rims also reduce the chance of a cat balancing on the edge. If cats still have access, choose non-toxic plants and avoid cocoa mulch, which can be harmful.
For a truly cat-proof setup, think beyond the box: combine a covered planter, a secure soil grate, stable placement, and cat-safe plants. In small urban gardens, a planter with a fitted mesh cover and drainage holes is usually the most practical compromise between plant health and cat resistance.