For questions about a plant that's failing to thrive, and where the cause is unknown.

learn more… | top users | synonyms

3
votes
0answers
400 views

brown patches on acanthocereus tetragonus (fairy castle cactus)

I've had this pair of fairy castle cacti for several years now, and they've done fairly well. However, I noticed today that they have developed brown patches over most of their stems and a few areas ...