River BirchesHome › Forums › Tree & Shrub Questions › Tree & Shrub Questions › River BirchesTagged: birch trees, soil testThis topic contains 1 reply, has 2 voices, and was last updated by Anonymous 8 years, 8 months ago.Viewing 2 posts - 1 through 2 (of 2 total)Author PostsJuly 13, 2010 at 4:44 pm #29067 AnonymousWe have six River Birches in two clumps. They are surrounded by ground cover.They shed yellow leaves all summer. Are they not getting enough water?July 18, 2010 at 2:08 am #29542 AnonymousSounds like it might be Iron chlorosis wich is caused by soil that is too alkaline. Have you ever done a pH test on the soil? Check out this USDA publication on growing birch trees.Author PostsViewing 2 posts - 1 through 2 (of 2 total)You must be logged in to reply to this topic.