Dwarf Alberta Spruce - Knowledgebase Question

Shepherd, Mi
Avatar for kayehem
Question by kayehem
July 3, 2010
Our two dwarf alberta spruce trees (planted in different areas) are started to turn brown. No signs of insect or disease outbreak. We did refresh w/cedar mulch several weeks ago. Mulch was kept below the bottom layer of branches.

Browning has recently acclerated. Have had frequent natural rain (no flooding & no periods of drought).

What should we do to save plants?

Answer from NGA
July 3, 2010
Root rot can cause the tops of the trees to die back so there may be a problem with drainage; spidermites can cause inner browning of the trees but the tips of the branches are generally undamaged. Fungal diseases can also cause the browning. Without actually seeing the plant and carefully inspecting it, I'm at a loss to diagnose the problem. YOu can take a sample of the foliage and stems/branches into your cooperative extension office for help. Contact Michigan Extension Service, 200 North Main Street, Mt Pleasant - (989) 772-0911. Helpful folks there can diagnose the problem and suggest control remedies. Good luck with your spruces.

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