Yes, you can use an outdoor plant box to grow plants that act as natural smoke suppressants. Certain plants, like lavender, eucalyptus, and mint, are known for their ability to purify the air and reduce smoke particles. These plants release essential oils and compounds that neutralize odors and improve air quality.

To get started, choose a sunny spot for your plant box and select smoke-reducing plants suited to your climate. Ensure proper drainage and regular watering to keep the plants healthy. Combining these plants with good gardening practices can enhance their smoke-suppressing effects.

Using an outdoor plant box for this purpose is not only eco-friendly but also adds aesthetic value to your space. It’s a simple, natural way to combat smoke and pollution while enjoying the benefits of gardening.