My trumpet vines have given me 3 seed pods this year - first time ever! Now, I just wish I knew what to do with them. Do I harvest them after they all turn brown but before they burst open (assuming they'll burst open)? Do I push them into dirt in whole pods? Do I open them up and sprinkle whatever seeds are inside on soil? I want to start some pots of vines to trail around the metal gazebo we have. Just don't have the faintest idea how to do it right.