I'm sorry to say I have the same issues with my 4 OBS. They grow barely, and the oldest is now 26 days, the 3 in the small pots are day 22. The one in the big pot is 24 cm tall and has shown she's a girl. Looks healthy and all, just taking a break with a snail or something,, nothing much happening. Everything I grow is treated the same, so something is not right here I think. There is no trouble with everything else.
I will let them go maybe a week more, and if the usual explosion doesn't happen, then they're goners. I have 3 more seeds from 5he same package, but I think better get new ones from a another or fresh batch.
Really strange, never had trouble with anything DP before, but that's what's testing is for so I'm not crying omy eyes dry or anything, it happens. If there's another batch of seeds I'll give OB another run, no worries.
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