Things You'll Need. Sink a papyrus plant's container in a pond or other water feature so that the container's top is up to 12 inches beneath the water surface, or grow the plant directly in boggy, wet soil near the margin of an outdoor pond.
Ham should not sit at room temperature any longer than 2 hours.
1 Ham labeled Fully Cooked or Ready to Eat.  Preheat the oven to 325Â°F. To heat the ham, place it on a rack in a shallow roasting pan, and bake uncovered. For a whole ham, allow 15 to 18 minutes to the pound; for a half, 18 to 24 minutes per pound. The ham will be ready when the internal temperature reaches 140Â°F.