Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
In what country is your Christmas cactus native? Oh, I'll check the Wiki page...Schlumbergera.
Ah, I see the problem...Try speaking in Portuguese and see if the plant responds.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"