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.
How long can shrimp sit at room temperature and still be good? Four hours maximum.   A different recommendation   Four hours at room temperature is too long. Potentially hazardous food should not be kept out for more than 2 hours.â¦ And if the ambient temperature is around 90Â°F, cut that time to 1 hour. Mizundastood Davenport.