Most of my cactus have yellow blooms, here are some of the different types. This one is the biggest at about 5 inches. View attachment 241146The next 3 look similar and the bees like them.View attachment 241147 View attachment 241148 View attachment 241149 This is the one that turns from yellow to orange as the day goes onView attachment 241150 This is a type of Lilly and it's not yellowView attachment 241151 and the last is a just pic of the male Hermann going into his crock.View attachment 241152
The color changing one sounds cool!