Close-up of the leaves of a sago palm - Jenny Dettrick/Getty Images The sago palm (Cycas revoluta) in your garden or your home might have a tough prehistoric appearance and a reputation of being hardy ...

Q: My cycad (sago palm) is yellow. I had read that it needs magnesium. What do you recommend? A: Make sure the soil in your container drains and the plant is not watered too often. Repot or replant ...

Q. My two sago palms are several years old. Originally they were in whiskey barrels, but eventually I transplanted them into the ground. Last year they looked great. Now they are almost totally brown.

The lush, long-living Cycas revoluta plant isn't actually a palm at all, though its foliage looks like palm fronds. Sagos are part of the cycad family and are native to southern Japan. Cycads go back ...