Discover the temperature range that mums can tolerate and learn how to protect them from extreme temperatures. Find out the signs of temperature stress and strategies for. Potted mums prefer cool temperatures but are sensitive to extremes. Ideally, they thrive in daytime temperatures between 60°F and 70°F (15°C to 21°C) and can withstand... Mums thrive in cool temperatures, preferring a mild climate for their growth. The ideal temperature range for mums is between 55°F (13°C) and 75°F (24°C). Within this range,.
Mums thrive in cool temperatures, preferring a mild climate for their growth. The ideal temperature range for mums is between 55°F (13°C) and 75°F (24°C). Within this range,.