Monterey Horticultural Oil Help - Questions and Answers

Monterey Horticultural Oil

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Monterey Horticultural Oil

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Asked by Abelardo from Fresno, Ca

11/14/2016

Q

Can I mix Monterey Horticultural Oil with Liqui-Cop?

A

Yes, you can mix Liqui Crop and Monterey Horticultural Oil together in the same tank. Be sure to do a tank test first to ensure there is no clumping between the two products.

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40 of 47 people found this answer helpful.
Asked by Kerry from Asotin, Wa

03/16/2019

Q

How often should I spray the trees with Monterey Horticultural Oil? It says as needed until harvest.

A

Monterey Horticultural Oil is a contact kill only so would only be used when target pests are present for you to make contact with. That is why it is applied as needed and no set restriction between applications nor the max number of applications. We would recommend not applying more than once …
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Monterey Horticultural Oil is a contact kill only so would only be used when target pests are present for you to make contact with. That is why it is applied as needed and no set restriction between applications nor the max number of applications. We would recommend not applying more than once per day as needed to avoid plant injury.

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23 of 25 people found this answer helpful.
Asked by Nevin from Bonners Ferry, Id

04/21/2018

Q

Can I spray Monterey Horticultural Oil on apricot trees?

A

Monterey Horticultural Oil is labeled to be used on apricot trees for aphids, fruit tree leaf roller, mites, scales, and whiteflies.

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10 of 12 people found this answer helpful.
Asked by Judy from Lompoc, California

03/19/2014

Q

Can I use Monterey Horticultural Oil in an Ortho Dial end sprayer and if I can how much do I use?
What do i set the dial at. I want to spray Roses for pests and diseases.

A

The Monterey Horticultural Oil should be able to be used in most spray equipment including hose end sprayers. We do not carry the Ortho Dial sprayer so we cannot tell you what setting you should put it on other than whatever will give you the correct dilution ratio the label suggest you use for the …
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The Monterey Horticultural Oil should be able to be used in most spray equipment including hose end sprayers. We do not carry the Ortho Dial sprayer so we cannot tell you what setting you should put it on other than whatever will give you the correct dilution ratio the label suggest you use for the diease you are trying to prevent against or treat for. Please check the Product Label for specific usasge instructions.

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6 of 12 people found this answer helpful.
Asked by Beverly from Three Bridges, Nj

06/25/2015

Q

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.

A

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.

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5 of 7 people found this answer helpful.
Asked by Darren from Newark, Nj

06/26/2013

Q

Can the Monterey Horticultural Oil be used in a thermal fogger?
I'm trying to find a deodorized oil base to mix my pesticide with to use with my thermal fogger. I was told never to use any water based chemicals in a thermal fogger. Any suggestions?

A

The Monterey Horticultural Oil cannot be used in a fogger according to the product label. You may want to check with the manufacturer of the pesticide you are going to use to see if what product they recommend mixing it with, or if you can use the oil based pesticide undiluted in your thermal fogger…
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The Monterey Horticultural Oil cannot be used in a fogger according to the product label. You may want to check with the manufacturer of the pesticide you are going to use to see if what product they recommend mixing it with, or if you can use the oil based pesticide undiluted in your thermal fogger. You are definitely correct that you cant use water based chemicals in a thermal fogger as this would be similar to pouring water in the gas tank of your car. Please let us know if you have any other questions and we apologize we couldn't offer more information for your needs.

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5 of 5 people found this answer helpful.
Asked by Sharon from [email protected]

12/05/2016

Q

Can I mix a fungicide with Monterey Horticultural Oil for better results?

A

Yes, Monterey Horticultural Oil can be mixed with a fungicide.

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5 of 6 people found this answer helpful.
Asked by Christine from Cleveland, Nc

03/09/2017

Q

Can Monterey Horticultural Oil be used on peach, nectarine, and plum trees?

A

Yes, per the product label, Monterey Horticultural Oil can be used on peach, nectarine and plum trees.

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5 of 5 people found this answer helpful.
Asked by Len from Santa Rosa, Ca

07/31/2018

Q

Can I mix Monterey Garden Insect Spray with Monterey Horticultural Oil?

A

The Monterey Garden Insect Spray does not specifically state on its product labelwhether it can or can't be mixed with other insecticides that allow for usage in the same treatment areas. While we do not see any harm in mixing those two particular organic insecticides together to apply a…
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The Monterey Garden Insect Spray does not specifically state on its product labelwhether it can or can't be mixed with other insecticides that allow for usage in the same treatment areas. While we do not see any harm in mixing those two particular organic insecticides together to apply at the same time, we suggest doing a tank mix test first to make sure the products will be compatible and not clump, discolor or change quality in the tank before spraying.

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5 of 6 people found this answer helpful.
Asked by Pete from Cape Coral Florida

06/24/2018

Q

What is the best Horticultural Oil to remove Cyclad Scale from my Sago Palms?

A

In order to completely eradicate cyclad scale, you will need to treat systemically with around the roots with a product that contains Dinotefuran such as Zylam Liquid Systemic Insecticide, and then treat the foliage with the Monterey Horticultural Oil. The older the scale is, the harder they are to …
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In order to completely eradicate cyclad scale, you will need to treat systemically with around the roots with a product that contains Dinotefuran such as Zylam Liquid Systemic Insecticide, and then treat the foliage with the Monterey Horticultural Oil. The older the scale is, the harder they are to control. Repeat treatments usually are needed.

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4 of 4 people found this answer helpful.
Asked by James from Waukesha

03/25/2021

Q

Is Monterey Horticultural Oil a dormant spray for apple trees?

A

Monterey Horticultural Oil is a dormant spray that may be used to treat apples as long as you are following the instructions on the product label.

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3 of 3 people found this answer helpful.
Asked by Brandon from Bartlett, Tn

03/01/2017

Q

Can I use Monterey Horticultural Oil to kill white scale on my privet shrub?

A

Monterey Horticultural Oil can be applied to soft and armored scale on shrubs using a garden sprayer. Thoroughly cover the infested plant, making sure you completely reach leaf undersides, twigs and other parts of the plant infested with scales.Do not apply within 30 days of a sulfur application; av…
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Monterey Horticultural Oil can be applied to soft and armored scale on shrubs using a garden sprayer. Thoroughly cover the infested plant, making sure you completely reach leaf undersides, twigs and other parts of the plant infested with scales.Do not apply within 30 days of a sulfur application; avoid applications on drought-stressed plants, windy days and temperatures are below 32F or above 90F. Follow the product label for detailed application instructions. We advise that you test out the solution on an inconspicuous part of the shrub before applying it more broadly.

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3 of 3 people found this answer helpful.
Asked by Wilfredo from Caguas, Puerto Rico

12/17/2018

Q

I can use Monterey Horticultural Oil over fruits?
I have a tree with fruits. I am not sure if I can eat the fruits after I used the oil.

A

There are certian fruits that Monterey Horticultural Oil can safely be used on. Please refer to the product label for a specific listing of those fruits.

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3 of 8 people found this answer helpful.
Asked by James

03/16/2014

Q

I want the 1 gallon size of Monterey Horticultural Oil.

A

We carry the Monterey Horticultural Oil in a one gallon size container and offer free shipping. Please contact us at 866.581.7378 to place your order.

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2 of 3 people found this answer helpful.
Asked by Yale from Millbrae, California

03/04/2021

Q

If using Monterey Horticultural Oil and Monterey Liqui-Cop, which would I apply first? I will be spraying on 2 different days or if during winter, should I only use a dormant spray on my leafless apple tree?

A

Monterey Horticultural Oil would be used as a dormant spray. Monterey Liqui-Cop would be used when you begin to see new growth on the apple trees per the product label.

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2 of 2 people found this answer helpful.
Asked by Cheryl from Leland, Nc

08/27/2019

Q

Can Monterey Horticultural Oil be used on windmill palms?

A

Monterey Horticultural Oil does not break down all the ornamental plants it can be applied to but should have no issue on palms when applied as directed on the label. You may also reach out to the manufacturer to confirm (559) 499-2100

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2 of 3 people found this answer helpful.
Asked by Ronald

05/27/2018

Q

I sprayed Monterey Horticultural Oil on my raspberry bushes for mites and they came back in two days and the leaves were crispy and dying. What happened?

A

Monterey Horticultural Oil should not have any negative results if used as directed on the product label. We would recommend that you contact the manufacturer directly for further troubleshooting on what could be occuring with your plants that you treated. You can reach Monterey at 559-499-2100…
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Monterey Horticultural Oil should not have any negative results if used as directed on the product label. We would recommend that you contact the manufacturer directly for further troubleshooting on what could be occuring with your plants that you treated. You can reach Monterey at 559-499-2100.

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2 of 2 people found this answer helpful.
Asked by Aubrey from Kerrville Tx.

12/04/2021

Q

How is Monterey Horticultural Oil mixed with water for the application?

A

Monterey Horticultural Oil is mixed at 2.5 - 5.0 tablespoons per gallon of water. Please view the full product label for more information.

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1 of 2 people found this answer helpful.
Asked by Kathryn from Ca

04/11/2021

Q

Will spraying Monterey Horticultural Oil on azaleas for aphids harm the flowers?

A

You should avoid spraying Monterey Horticultural Oil on the flowers as it could bruising or burning to the delicate petals.

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1 of 1 people found this answer helpful.
Asked by Terry from San Luis Obispo Ca

02/16/2022

Q

Can I used both Monterey Horticultural Oil and Liqui-Cop for seasonal leaf curl on my peach tree?
How do I combine them. Do I treat separately or mix together. My concern is that Liqui Cop is undiluted and the Oil is 3 table spoons to a gallon. HELP!

A

Monterey Horticultural Oil is not labeled for leaf curl therefore would not be able to advise on a mix rate for treatment. Monterey Liqui-Cop is labeled for leaf curl on peaches at the rate of 4 - 6 tsp per gallon of water. Per the product label - Apply as a dormant or delayed dormant spray to…
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Monterey Horticultural Oil is not labeled for leaf curl therefore would not be able to advise on a mix rate for treatment. Monterey Liqui-Cop is labeled for leaf curl on peaches at the rate of 4 - 6 tsp per gallon of water. Per the product label - Apply as a dormant or delayed dormant spray to protect buds and shoots during rainy period. Reapply up until late bud swell. Do not apply at less than 7 day intervals. Do not apply after full bloom

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