Mid-Atlantic Gardening: The Year of the Mystery PlantSSSSSS, 0 by Chantell

Chantell wrote:
I'm tellin' you...this has been quite the year for guess whats in the ground. Ya'll were so helpful the last time....thought I'd give ya'll another pop quiz. I've been letting plants grow that didn't appear to be weeds...this one I actually stuck in one of my big planters with the petunias (those are the pinks you see beside it - THIS plant has no buds or blooms as yet). Does anyone recognize this? The center plant has arms with babies growing at the ends....here's the whole thing - maybe 10" in diameter