Milky Spore Powder should be applied after all tilling or renovations have been completed to the garden area. If you are going to be tiling or disturbing any soil, then it would be best to do those renovations first, and then apply the Milky Spore after so that you are not removing or disturbing the barrier.
If the soil needs to be removed/renovated, it is best to do the renovations first and then apply Milky Spore Powder after so that the barrier is not disturbed.
Milky Spore is only labeled for Japanese beetle grubs and will not work for any other species. We would recommend contacting your local cooperative extension office for assistance with identification of the grubs that you are dealing with so that you can be sure you are choosing the best product(s) for your needs.
Yes, MIlky Spore Powder must be watered in within 48 hours of application.
It would be unlikely for you to find Japanese Beetles and therefore need a treatment like Milky Spore Powder. in Arizona since the climate is so dry and hot. We have an Inspection Guide for white grubs which shows how to check your lawn for this pest. Milky Spore will not harm the grass, so if see that Japanese Beetles have been found in your area, then you can use Milky Spore as a preventative treatment so that you do not get an infestation.
The Milky Spore Powder is a one-time application, while the Milky Spore Spreader Mix is applied 3 times a year in Spring, Summer, and Fall. After the one application, it will take about 1 year for the Milky Spore Powder to provide the 10 year control. The Spreader Mix is applied 3 times per year for 2 consecutive years to get that 10 year control. You can treat a section of the area at a time in the 4 x 4 sections using the Powder, however, opening up the pattern to 8 x 8 may be too far apart for the spores to inoculate in a reasonable amount of time. You can contact St. Gabriel Organics directly for more specific information at 1-800-801-0061.
While you are waiting over the course of a couple years for the full effects of a Milky Spore Powder application you can use any one of the Merit products for effective grub control.
Milky Spore Powder, per the manufacturer, has no effect on water wells or other water sources.
You can order Milky Spore Powder on our website here, or you can call us at 866-581-7378 for assistance with placing an order.
Currently the largest size of Milky Spore Powder that we offer on our site is the 40 oz case of 4 that will treat about 40,000 sq ft.
The manufacturer of Milky Spore states if another insecticide needs to be applied to the lawn in the same area where Milky Spore is going to be used, you want at least 1-2 weeks between the Milky Spore and the other insecticide you intend to use. This includes other grub control products like GrubEx.
The Milky Spore Powder should be dispersed with the Lawn and Garden Dispenser Tube. The Milky Spore Spreader Mix can be with a drop spreader such as the Scotts Turf Builder Classic.
Yes, Milky Spore Powder is the number one product for control of white grub larvae. This will keeps grubs away for up to 14 years when applied according to the label instructions.
No, Milky Spore will not cure slime flux on your Palo Verde tree. It is labeled for Japanese beetle grub control only. Unfortunately, there is no treatment except to keep the tree as healthy as possible and remove any affected limbs. Below you can find links for two articles with more tips and information:
https://cals.arizona.edu/extension/ornamentalhort/plantprotect/slimeflux.pdf
Yes, Milky Spore Powder can be effectively applied in Texas.
Milky Spore Powder is labeled to target Grubs (Japanese Beetle Larvae), before they mature into beetles. Once grubs are infected they will multiply the Spore by several billion times and spread it further. Milky Spore will not control Japanese Beetles so a residual insecticide would be recommended for the adult beetle control.
The best time to apply the product for beetle control is in the Fall after grub eggs have hatched and when the grubs are young and actively feeding. If you are applying between February and late Spring and the grubs are not feeding consistently, the application may take longer to spread.
Applications of Milky Spore should be applied using the Lawn Dispenser Tube.
If the grapes are not harvested or consumed, Talstar P would be a recommended insecticide to apply in April/May for Japanese beetles. This product can be applied to lawns, bushes, trees, shrubs, flowers, etc.
For edibles or fruit that is harvest or grown for consumption, Pyganic Gardening would be a safe option for vegetables, crops, fruits, herbs, etc.
Milky Spore Powder does not affect beneficial insects such as earthworms.
The inert/inactive ingredients of Milky Spore Powder are not listed because they are a proprietary formula. Please contact the manufacturer for information that is not published, though they are not required to release this information.
Milky Spore should only impact Japanese Beetle grubs, but we encourage you to speak to the nematode supplier to check with them prior to use.
Milky Spore Powder is only effective for Japanese beetle grubs.
