They were sown about 1/2" deep in 6" square plastic pots in 90% 3/16" pumice and 10% perlite, except for those planted directly in beds.
The pots were under 30% shade cloth. The beds were in full sun.
I believe the seed itself, as opposed to the sowing conditions, are the most important factor for success.
None of this applies to C. uter seed, of course!
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