Hello Gardeners, I’m Amanda McNulty with Clemson Extension and Making It Grow . One plant that really suffered during our December ice age was the sago palm, Cycas revoluta. Sago palms represent some of the oldest living plants on earth and are not palms but cycads. According to Clemson’s Home and Garden Information Center (a great resource –just put the topic you want to know about followed by Clemson hgic), sago palms are hardy in most of zone 8. But hardy doesn’t always mean that they plant