Reply To: My golden barrel is turning pale green what does it need? Home › Forums › Cactus and Succulent Care › My golden barrel is turning pale green what does it need? › Reply To: My golden barrel is turning pale green what does it need? May 3, 2018 at 1:42 pm #257 AnonymousInactive Thank you Mike for this answer. I have tried to give this plant a good whole day sun and it burned some of its parts. I read that morning sun would be good enough.some are even putting them on window sills south facing window. Soil is 70% pumice.