Temperature Tolerance of Daylilies

Daylilies can tolerate a wide variety of temperatures. According to Floridata, they are hardy in USDA Zones 2 to 10. This means daylilies can withstand cold temperatures to -50 degrees Fahrenheit, depending on the variety. It also means some varieties can grow in the tropical summer temperatures of Zone 10.

Keywords: growing daylilies, daylily temperatures, heat tolerance

About this Author

Aileen Clarkson has been an award-winning editor and reporter for more than 20 years, earning three awards from the Society of Professional Journalists. She has worked for several newspapers, including "The Washington Post" and "The Charlotte Observer." Clarkson earned a Bachelor of Arts in journalism from the University of Florida.