How To Care For Yellow Christmas Cactus. Outdoor Christmas Cactus Care It should be placed in semi-shade in an area where it does not get direct sunlight. Time to repot If the container is packed tightly with roots the Christmas cactus may be potbound.
Keep watering regularly and thoroughly as well as maintain humidity level at least 50-60. It is worth mentioning that direct sunlight can burn the leaves of the Christmas cactus so if you want to keep it outdoors make sure it gets partial shade. Follow these directions when your plant is finished blooming for a repeat performance.
In fall and winter fertilize monthly.
15-21 C with average to high humidity levels. Once planted in soil water your Christmas cactus sparingly because overwatering can cause root rot. Make sure that your cactus is properly potted with lightweight soil that allows for drainage into a planter with holes at the base. When in bloom the dramatic flowersin shades of pink purple red white or yellowlast for several weeks.