Yes, a curtain rod can hold hanging plants! There are a few things to keep in mind when using a curtain rod to hang plants, however. First, make sure that the curtain rod is made of a sturdy material that can support the weight of the plants. Second, use hooks or hangers designed for holding plants to attach the plants to the curtain rod. And finally, make sure that the placement of the curtain rod and plant holders will not block any windows or doors. With these considerations in mind, you can easily add some greenery to your home by hanging plants from a curtain rod!