Geena, concerned about the short pollinating season and wanting the best offspring for the next generation, decided to try connecting with the new Horticultural Speed Dating group that was recently formed in her neighborhood.   Although not sure just how things worked, she had seen a petunia across the room that was a real hunk and hoped she could get the 7 minutes allotted per speed date to have a chance to chat him up. . . . . . David, Sf.G.