and, no, I’m not overwatering !
- what is causing it?
- how do I stop it? and
- does it matter?
Online gives diametrically opposed views - from a) it’s a result of organic material being in the compost, no biggie, just unsightly (which can be addressed by some fine gravel around the plant), to b) 😮 OMG,, repot the plant and remove it from other plants, to c) discard & destroy!