Why do the blooms wither and die before blooming on my large cactus? What does one feed cactus? Mine is healthy, just throws out one bloom occasionally.
There are many different types of Cactus, with differences in growth and blooming patterns.
Our Gardening Know How site offers many articles that may help you with the specific Cactus you have.
Feel free to use the search bar at the top of the page.
Here are some links to help you with basic care information.