Least Favorite Plant: Bidens
...tickseed sunflowers.” Those popular names should give some clues as to the plant’s behavior. Brush up against it and this happens: It turns out that nature has brilliantly designed these seeds to hitch a ride on mammals. Just touch or lightly brush up against the seed pods, which resemble mid-century chandeliers, and you’ll be picking out seeds for the next hour. Plants can’t move on their own so they’ve got to enlist helpers. In the case of Biden...