While most cacti can be propagated from pieces or offshoots, growing cactus from seed is a rewarding and inexpensive method of growing rare specimens or your favorite cacti species! Nothing can compare to seeing the seeds germinate and the tiny cacti forming and growing into mature cacti! Where to Get Cactus Seeds Seeds are usually harvested from dried out flowers or cactus fruits (like dragonfruit — yum!). Since most of us don’t have flowering cacti or cactus fruits on hand,  ...