https://plants.ces.ncsu.edu/plants/rhododendron-catawbiense/common-name/purple-rhododendron/
Purple Rhododendron - Rhododendron catawbiense | North Carolina Extension Gardener Plant Toolbox
north carolinaextension gardenerpurplerhododendronplant
https://forums.botanicalgarden.ubc.ca/threads/leggy-r-catawbiense-recovering-need-advice.25766/
Rhododendrons: - leggy R. catawbiense recovering, need advice | UBC Botanical Garden Forums
A neighbor, whose rhodo I greatly admired, dug it up in March, 2007 -- just the wrong time -- and gave it to me. He wanted something smaller. It had...
ubc botanical gardenneed advicerhododendronsleggyrecovering