what vines are not poisonous to dogs?
['Crossvine. Bignonia capreolata.', 'Coral honeysuckle. Lonicera sempervirens.', 'Virginia creeper. Parthenocissus quinquefolia.', 'Alamo vine. Merremia dissecta.', 'Bracted passionflower. Passiflora affinis.', 'Purple passionflower. Passiflora incarnata.']