they're full of shit... so long as you've got half a brain you should be able to overcome your problems. Good ventilation, plenty of light, cool temp's, spot on feeds... you can't fail.Interesting point. I've heard this mentioned before, though I've also heard that there are strains considered "beginner" and "experienced" for growers. That's what actually sparked my question.
Any plant that grows dense buds will be susceptible to mould... so that rules out most indicas.haven't done it myself, but i've heard that sensi star is a real bitch to grow, and that it is real susceptible to mold.