Hey all,
A complete newbie to the forum and to growing food. I bought these onion sets from a local garden centre a few weeks back and was told by the seller it was too early to plant out. After watching a few videos on YT I figured I’d get them started in modules in the greenhouse.
These have been in here about two weeks, popped on top of shop bought multi purpose compost.
I noticed this white stuff a couple of days ago and tried to google what it could be and came across onion rot, but from what I understand that disease is usually in the actual soil. Can it be in multi purpose compost too. Are my onion sets ruined?
Any help appreciated.