>> I have foolishly planted single lobelia!
Wow! Were you a surgeon in a previous lifetime? I couldn't untangle those guys if my life depended on it!
>> they benefit from crowding?
Some species! SOME! I don't know if its rare or common, but I know it's not universal.
However, the wintersowing / "Hunk Of Seedlings" folks seem to contradict what I used to think was a general rule: croiwded seedling compete with each other and never liv e up to their full potential.
Hmm, "Hunk of the Seedlings". I guess this guy left his trowel back in the longboat.