Dennis - I found the same recurring themes as Jo-Ann (some degree of shade and preferring a (usually leaf-mulched) moist soil) on the following sites - https://en.wikipedia.org/wiki/Asarum_canadense/ (says "in the understory of deciduous forest" which to me indicates shade/part shade areas with naturally-occurring leaf-mulch) http://missouriplants.com/Others/… (says - "Wooded slopes, valleys, ravines, base of bluffs" again seems to indicate shade/part shade areas & probable natural mulch) http://illinoiswildflowers.info/woodland/plants/… (says - light shade) http://missouribotanicalgarden.org/PlantFinder/… (says - part to full shade; tolerates heavy shade) Sounds like you may need to rig a shade cloth for this year while you look at what you can do on your side of the property line for the longer term. If I may suggest, if there's no room for trees (which are slower-growing anyways unless you put in willow), consider tall bushes which can tolerate being clear-trunk pruned around the bottom to give sufficient space for the asarum. Come to think of it, even with room for trees, you may want to put in bushes/shrubs for esthetic reasons either alone or with trees ... What's the view like for you? Interestingly, the PBS page says ... nothing ... eh? https://pacificbulbsociety.org/pbswiki/index.php/… Hope this helps, Cate Portland OR zone 8b West Coast - USA --- This email has been checked for viruses by AVG. https://www.avg.com/ _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…