Cacti are among the best known warm-weather plants, so you may be surprised to hear about freeze damage to cactus. But even in summer toasty regions of Arizona, temperatures can dip down to below 32 degrees Fahrenheit (0 C.) … This can result in freeze damage to cactus.
Likewise, people ask, what is the lowest temperature a cactus can survive?
In winter, keep cacti and succulents above freezing. Some plants prefer a nighttime temperature of 35-40ºF (some cacti and other succulents can endure temperatures well below freezing if kept absolutely dry.) More tropical succulents like adeniums, euphorbias, lithops, and stapeliads prefer a minimum of 50-60 degrees.
Moreover, can you leave a cactus outside in the winter?
In areas with plenty of snow cover, hardy cacti easily survive. In areas with harsh winds and sun but little snow, cacti can become sunburned or frostbitten. To prevent damage, carefully cover the plants with burlap as late in the season as possible.
How do you revive a cactus after freezing it?
What happens if a cactus gets too cold?
Typically, cacti plants exposed to extremely cold temperatures will start to rot. On the other hand, frost damage will destroy plant cells that were exposed to cold temperatures.
How cold is to cold for cactus?
They can take temperatures from 45°F to 85°F without complaint as long as they are dry. There are even cacti that survive outside all year long in Canada and Alaska.
At what temperature should you bring cactus inside?
Keep the room on the cool side and, if possible, set cacti close enough to the window to take advantage of the cooler temperatures. These desert cacti tolerate normal indoor temperatures but prefer temps between 45 and 55 degrees.
Can a barrel cactus freeze?
Mature golden barrels are known to be hardy down to 14 degrees Fahrenheit, colder than the average annual extreme minimum temperature of 20 to 25 degrees Fahrenheit for USDA zone 9. Conversely, young plants with a stem diameter less than 4 inches can be cold-damaged at temperatures around 30 degrees Fahrenheit.
