Cold Hardy Avocado Tree I Stopped Killing Jade Plants Once I Knew This Plantain Grow Guide Rosary pea (Abrus precatorius) is a fast growing, twining vine that creeps through forests and disturbed areas, forming dense mats that smother native plants. Although beautiful, the bright red seeds contain abrin, Growing Climbing Hydrangeas (Hydrangea petiolaris) BBC Gardeners World Magazine