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> Foliage turns brown from tip of twig down
Arborvitae > Foliage > Foliage turns brown from tip of twig down
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Winter injury
- Foliage turns brown in late winter-early spring
- Foliage turn brown from the tip down, base often remains green
- Foliage at the tip of the branch are more severely discolored than those close to the trunk
- Damage often only on one side of the tree
- Common on trees exposed to wind and sun or light reflecting off buildings
- Damage most severe at the top of the tree, branches covered by snow are unaffected
- More information on Winter injury
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De-icing salts
- Foliage brown from the tips down
- Affected foliage more common on side of tree facing the source of salt
- Premature foliage drop
- Buds or emerging foliage may be killed
- Reduced growth with prolonged contact
- More information on De-icing salt injury
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Pestalotiopsis blight
Pestalotiopsis funerea
- Foliage on tips of branches turns first yellow then dark brown
- Small twigs may be killed
- Black pinpoint sized spore producing structures on infected twigs and foliage
- Common on plants stressed by winter injury, drought or other factors
- Often most severe on lower branches of the tree
- More information on Pestalotiopsis twig blight
