Marigold Leaves Are Purple And Curling Up

Question From: R. Rastall - Spokane, Washington, United States
Q: I planted my Marigolds about a week ago , the temp wasn't below 36 degrees since l planted ... The leaves are purple , and some are curling up .. The bottom leaves are green and seem healthy ... I pinched the blooms off this morning ... Any help would be greatly appreciated ...

A: These are annual plants that thrive in warm weather. They are freezing to death. Best And Happy Yardening, Nancy.