>>2712700>Damn. I've never had good results with something that high in clay. Is the trick to keep the moisture at the right level?The biggest trick, is to fluff up the soil, drop it in the container in a light and airy fashion and DO NOT PAT IT DOWN!
Do not compact the soil in any manner. No pat downs, nothing. Plop the seed/plant into it with minimal force.
Afterwards water the containers from below, rather than pouring water on top.
I found this to be key for seeds or bigger plants.
Pic related. Compare it to the other pic.
So again, the key with working with clay is you do not want to compact it in any manner whatsoever. Just grab when it's fluffy, drop it into a container or even ground, and plop seeds and plants into it, with no compressing.