Good luck with your surprises Rocketman. Oh no you did what? you really didnt do anything wrong. Fun to see how and if everything grows. Dony know till you try
As for fertilizer...get ahold of some compost manure cow or sheep should do the job. If not i use a 10-10-10 miracle grow shake and...
Yeah i seem to get them too. Get them more on some plants than others. It gets worst when there's to much moisture as well. I know some folks treet their seeds with a mixture of peroxide and water but havent tried it yet.