Compost brands, the good, the bad and absolute ****

[Chief Broom]

Bit of a rant really as i recently bought the worse most useless compost ive ever used. Westland multi purpose with Bi3 [?] Anything sown in it, pricked out. potted up doesnt want to grow, its that bad i dont even what to chuck it into my compost bins as it might actually be toxic!
I bought some seed/potting compost today branded 'growmore' and hoping i can salvage some seedlings/plants with it, though some meconopsis [blue poppies] seedlings probably wont make it as theyre too small to move on and will just shrink and die...

 

[Electric_Andy]

I've not had any reports of compost quality from my partner (who does the gardening), but we did notice last year the cheap stuff from the Range, and Lidl, brought in a load of those pesky little black flies. It took us months to get rid of them from the house plants. The larvae must have been in there already and hatched when potted and watered. We haven't noticed the same with the latest batch from the garden centre