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The biggest lie you'll hear from nurseries: “seedling soil and germination mix are the same thing”

Below is germination mix, on the right is seedling soil. Germination mix is made up of peat, perilite, coir etc. Seedling soil is mainly composted tree bark.

Germination mix by it's very nature stores moisture, seedling soil is draining to ensure your seedlings don't rot.




When germination mix is wet, it is evenly wet.

However, Seedling soil when wet within minutes the top mm are dry.



A few days later, seed start to germinate and germination mix is wet.
 
Any small seeds that were sown in the above would be dead by now as when they needed moisture the soil could not provide it.
 

What am I trying to prove? That paying R58 for a sack of germination mix is worth it. I would not sow seed in seedling soil even if I was given the seedling soil and the seed free.

What do you do if you can't find germination soil?

Try vermiculite. It stores moisture well, it's light weight so even tiny seed will be able to lift them selves up through it.

Or you can use palm peat if you can get it, but after the seedling is up you'll need to take care as palm peat stores a lot of moisture. (You can mix palm peat with perilite, but if you can't find germination mix, chances are you won't have access to perlite)


What do I grow in germination mix? Everything! From tomatoes, peppers, vines like passion flower, to bulb seed like dierama, agapanthus, barleria, to bromeliads, to maple trees and succulents (I add a bit extra perilite for succulents, about 15%)