Peter
3 weeks after sowing Sweetcorn in soil blocks, what I’ve found is this:
1. All 32 seeds showed visible signs of germination.
2. About 5 then aborted for whatever reason.
3. Of the 27 remaining, about 5 are much bigger than the rest, 15 or so are ‘average’ and 7 are a little slower than the rest.
So of 32, if I had wanted to, between 20 and 25 would be suitable for transplanting, although I only need 15.
I guess if depends on staging space, but this means I am picking the top 60% of plants to go into the ground…..