So I read a lot that the pre-fertilized soils from canna brands (plagron, biobizz...) are not too good and overpriced anyway.
I understood a lot of people just use regular soil/substrate/compost from gardening centre.
Can you tell me what to look for when buying such soil ? there are many kinds - soil for lawn, roses, rhododendrones, suculents, palms whatever....
Thanks
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