Ivy is an evergreen vine that outcompetes plants for resources. It quickly climbs tree trunks, eventually killing the tree.
January Invasive Weed of the Month: English Ivy - Clackamas SWCD
Ivy (Hedera species) - Tualatin SWCD, Ivy Leaves
PlantFiles Pictures: Hedera Species, Common Ivy, English Ivy (Hedera helix) by VineWorld
Woody Knotweeds (Polygonum species) - Tualatin SWCD
Invasive Species Management Made Easy - Tualatin Soil and Water Conservation District
Hedera helix Profile – California Invasive Plant Council
January's Weed Of The Month: English Ivy WeedWise Program, 48% OFF
My English ivy has some leaves that are browning and crispy, falling off. Am I not watering it enough? : r/plantclinic, Ivy Leaves
Woody Knotweeds (Polygonum species) - Tualatin SWCD
