RTSA Horticultural Oil

  • Foliar Spray

RTSA Horticultural Oil is a spray applied petroleum product designed to control a broad spectrum of mites and insect pests. It can easily be applied during the growing season with little risk of phytotoxicity or even during the dormant season to control certain overwintered shade tree pests. RTSA Horticultural oil can be mixed with many other pesticides in order to provide a broader spectrum and greater persistence of control.

Application Type(s)

Foliar Spray



Note: This product cannot be sold in the following states: AL, AK, AR, AZ, DC, HI, ID, IA, KS, KY, LA, ME, MS, MO, MT, NE, NM, NV, ND, OK, OR, PR, RI, SD, UT, WV, WY. We apologize for any inconvenience this may cause.

RTSA Horticultural Oil is available in the following sizes/variations.

The Tree Geek

2.5 gallons (1115)
Price: $67.80

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Not all products are available for sale in all states.  Make sure that any product you intend to purchase is registered for use in your state, and that you have all of the required licenses to apply the product purchased.  Any recommendations made by the tree geek website or its employees are based on limited knowledge of your area and are for informational purposes only.  Always seek advice from a local professional if you are not sure of your tree or pest identity.

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Average Customer Rating for RTSA Horticultural Oil

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