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Jim from Mccalla writes

Can I spray Bonide All Seasons Horticultural Spray Oil on hydrangeas in Oct.?

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: 10/20/2021

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Bonide All Seasons Horticultural Spray Oil

Bonide All Seasons Horticultural Spray Oil

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