My Arborvitae that I planted 2 years ago are very green on the outside but the center appears brown and dead. Is this normal or are they dying? Should I feed them, with what?
It is normal for the interior foliage to stop growing as it is shaded out by new growth. Feed you arborvitae Espoma Tree-Tone. Arbs don’t like acidic soil so evergreen food that contain sulfur are NOT appropriate for them. Tree-Tone has no sulfur.
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