Thanks for this clue about chicken manure. Maybe too much nitrogen but it seems to be working well for all the other things and my soil test...
There are some flowers but not nearly what I expected compared to other berries here. For example I am also growing black and red currants nearby...
I have an organic food-forest-in-progress which includes about 5 large Jostaberry plants. We are a zone 4, 750 mtrs elevation near Lumby BC in...