We have lots of snow here in Oregon, and I need to know how to take care of the above plant. Purchased three plants from Home Depot today. As I was walking out, a lady said that it was a mistake buying the plants as they will die over the winter. I didn't take them back as I had purchased them.
Purple Fountain Grass – Pennisetum Setaceum
Certified GKH Gardening Expert
Other than planting them in containers that you will then bring into a sheltered place, like a garage, in the winter, they cannot survive there through the winter. They should grow beautifully for the summer. If you do not want a plant that will die, I would just take them back. Home Depot has a very broad return policy and will not mind if you bring them back.