Top 10 best houseplants that make a statement in your room! PLNTS.com Poison Hemlock Alert Tennessee Poison Hemlock (Conium maculatum) is up and about to flower! This highly toxic invasive plant is spreading fast across Tennessee roadsides, fields, and fence lines. not to throw ya a curve ball but trailing philodendron are actually climbers , when I tell yall it took me years to figure out these different growth habits. I personally prefer the self heading Cornelian Cherry Central Park How to Grow and Care for Miscanthus (Silvergrass)