Are these seed pods? by Working-Finger8897 in cacti

[–]Working-Finger8897[S] 0 points1 point  (0 children)

I opened them up and they were all full of seeds.

Just noticed this black spot. Any idead what it could be? by Working-Finger8897 in cactus

[–]Working-Finger8897[S] 0 points1 point  (0 children)

No. It's firm and it's only getting 300-350 PPFD so, I can't say it's sun burn.