When to Prune
The late dormant season in the late winter to early spring is best for pruning most trees. Check the blog when to prune your hedges and evergreens or conifers.
Birch – Leaves – Missing Parts of Leaves
Diagnosis – Birch Problems on LeavesMissing Parts of LeavesDusky Birch SawflyFall WebwormForest Tent CaterpillarJapanese BeetleTussock MothYellownecked CaterpillarDusky Birch Sawfly Dusky birch sawfly or Croesus latitarsus Consume leaves as they feed on the leaf margins; larvae feed in groups Fully-developed larvae have black heads with a yellowish or greenish body Preferred hosts are gray birch Sawflies…
Summer Tree Care Checks
Follow the summer tree care tips below to keep your yard healthy and hearty through the sizzling summer months.
Birch – Leaves – Leaves yellow with green veins
Diagnosis – Birch Problems on LeavesLeaves Yellow With Green VeinsNutrient DeficiencyNutrient Deficiency Nutrient deficiency Entire leaves yellow with apparent green veins Most severe on branch tips or new growth Affected trees have poor growth, undersized leaves Symptoms occur on River birch in alkaline soils Photo by M. Grabowski, University Of Minnesota Photo by M. Grabowski,…
Birch – Leaves – Spots or Blotches on Leaves
Diagnosis – Birch Problems on LeavesSpots or Blotches on LeavesBirch LeafminerBirch RustBirch SkeletonizerLeaf SpotPowdery MildewSooty MoldVelvet GallBirch Leafminer Birch leafminer or Fenusa pusilla Feed inside newly developing leaves forming opaque to light green kidney-shaped discolorations Smaller mines may coalesce into larger mines Insects and/or black frass visible inside leaves if held up to light Mines…
Birch – Leaves – Leaves Wilt and Turn Yellow or Brown
Diagnosis – Birch Problems on LeavesLeaves Wilt and Turn Yellow or BrownArmillaria Root RotBronze Birch BorerCoral Spot CankerDroughtGanoderma RootHeart RotLeaf and Shoot BlightPerennial Nectria CankerArmillaria Root Rot Armillaria root rot or Armillaria spp. Infected trees have poor growth, dead branches in the upper canopy, undersized and/or yellow leaves Flat white sheets of fungal growth (mycelia fans)…