Can you pollinate a Gymnocalycium to itself? Posted by Succulents and Spikes on September 21, 2020 Cacti Cactus +7 cactus and succulent seeds cactus care CACTUS seeds cross pollination grow seeds Gymnocalycium Gymnocalycium flowers Gymnocalycium pollination self-fertile self-sterile Cacti Cactus cactus and succulent seeds cactus care CACTUS seeds cross pollination grow seeds Gymnocalycium Gymnocalycium flowers Gymnocalycium pollination self-fertile self-sterile