Pansy Flower Temperature. 04112019 At the coldest extreme of pansys hardiness range in USDA zone 6 temperatures may plunge to minus 10 degrees F. 06112020 Pansies thrive in temperatures below 70 degrees and can handle cold winters.
Always remember to check the soil daily and water it if necessary to avoid it drying out. If you live in colder climates with the warmest temperatures of the year at and below 70 degrees summer will be the best time to grow pansies and get them to bloom. Says Roethling adding that they will need full winter sun and sharp drainage to thrive.
During the day pansies thrive in temperatures in the high 50s and low 60s.
The germinating mixture temperature should be about 60-65F. Do pansies come up every year. 04112019 At the coldest extreme of pansys hardiness range in USDA zone 6 temperatures may plunge to minus 10 degrees F. To grow pansy seeds you require around 60 degrees Fahrenheit during germination.