We Get Questions About Winter

Q: Dear Client Support, [ed: Woohoo! someone finally addresses a letter to us using our real name!]

I was wondering if there was a preferred air/soil temperature range for overwintered plant varieties such as Echeveria and Graptopetalum. I wasn’t sure if temperatures should be in the vicinity of 35 to 50 degrees for dormant plants, while Aeoniums, Haworthii, ect. should be temporarily provided warmer temperatures (above 60 degrees) during their growing phases in the fall and early Spring.

I also wanted to know if plants in dormancy should only be watered when either their leaves or root systems exhibit a certain degree of dehydration.

My thanks for your time and efforts in the matter.

A: Joe,

Echeveria and Graptopetalum need to be kept above freezing and the colder it is, the drier they should be kept. Between 35 & 50 degrees they should be watered only once every 4-6 weeks, though again if it is very cold keep them dry. They need to concentrate the sugars in their leaves to keep from getting cold damage. Winter growing succulents do need more water in the winter since they come form locations that get most or all of their rain in the winter months. Our winter growers are outdoors year round and usually get down to the upper 20’s over night now and then. If it is expected to get that low we usually cover with frost blankets, though some have dealt with 25 degrees just fine.


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September 2019
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