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Patty from Ca writes

Can I spray Bonide All Seasons Horticultural Spray Oil on the hydrangea stems?

I pulled all the leaves as they were yellow and spotted. The stems have buds.

Answer:

Bonide All Seasons Horticultural Spray Oil can be applied to hydrangeas before the buds show green tissue and dormancy. You would use the higher rate in dormancy and reduce the rate to the minimum and increase the rate as that growth has hardened off.

Answer last updated on: 12/17/2019

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Bonide All Seasons Horticultural Spray Oil

Bonide All Seasons Horticultural Spray Oil

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