Celosia, in addition to being beautiful plants, have other uses. In medicine, they are used as a treatment for tapeworms, blood diseases, mouth sores, and eye problems. The seeds are used to treat chest congestion, and the flowers treat diarrhea. Celosia leaves can be used as dressings for sores.
Celosia Argentea can be used as a leaf vegetable for salads. They have a spinach-like taste. In fact, in Africa, these plants are eaten on an almost-daily basis.
Celosia are very easy to grow. If you live in zones 2 - 11 (which almost everyone does), you may want to add these beauties to your garden.