PPO Home > Plant Disease > Pacific Madrone Research > February 23, 2019 Newsletter February 23, 2019 Newsletter February 26, 2019 Share on Twitter Share on FaceBook Share on Linkedin share with email share with link 2.23.19 Madrones on cliff near Port Alberni BC Featured members Luke Armitstead and Matthew Hilliard, propagation from seed, medicinal properties of leaves, TreeSnap update, Phytophthora root disease, workshops.