I find them pretty handy as well as coir bricks. I always have them on hand. Since I grow
year round indoors and seed inside, they are compact and less likely to dust the indoor
environment.
I don't use them for small seed like tomatoes but perfect for dwarf sunflowers and early
spring peas, beans, squash, etc.
Larger seed root systems will bust right through the mesh no problem.
Our Spring can be cold and very wet often tragic for direct sowing of seed that is said to
not like transplanting like a pea. At the same time I direct sow peas, I start a couple dozen
in peat pellets. 7 out of ten times the direct sown either rot or are food for birds and such.
The head start in the pellets really helps me get going...then succession planting by
direct sowing weekly is a good combination. Same with the winter and summer squash.
I grow tomatoes densely, 5+ seeds per cell and many varieties. Would not make sense for
me to use pellets.
Don't love them but I would not worry about success rate. Same as any other cell system.
And the mesh just needs a couple simple pulls to ripe it open before re-potting.
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