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Beverly from Three Bridges, Nj writes

What dormant oil product can I safely use on conifers and dwarf conifers for dormant spray of scale

I have some scale on pines (mugo, leucodermis, nigra, cembra). What dormant oil product do you recommend that may be applied to these pines in dormant season. Some labels on products omit pines.


We would recommend using Monterey Horticultural Oil. It is labeled for scale on various types of trees, including conifers. You will use 2.5 - 5.0 tablespoons per gallon of water. Please let us know if you have any additional questions.

Answer last updated on: 06/25/2015

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