Hi--my husband left for an extensive job and left me in charge of his beloved 40 pots of cymbidium plants. It is winter here, and we keep them in our garage, and I wheeled them out one sunny day to water and fertilize, and left them out for several days ugh. The last couple of days were very cold, about 30 degrees fahrenheit. They were outside for about 4 days total but are now back in the garage. Now, the leaves have turned a dull brown and I smell earth! Have I killed them? Please advise! My husband is coming home next month, will I be able to save the orchids? Me? Help!