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Your cart is empty.These microscopic organisms destroy pests that live underground. They will seek out and destroy more than 230 different kinds of soil dwelling and wood boring insects, including Japanese beetles, cut worms, wire worms, weevils, white grubs, fungus gnat larvae, flea larvae, subterranean termites, and many more. They are so small that several thousand would fit on the head of a pin! But they do a big job --moving through the ground, they enter the body cavities of their target pests and release bacteria that kill that pest. They are completely safe for people, pets, and the environment, and are compatible with other beneficial insects. Each container includes seven million live beneficial nematodes.
Merry
Reviewed in the United States on July 21, 2021
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vizwhiz
Reviewed in the United States on February 17, 2019
We used these last summer on the yard to help control white grubs (various beetle larvae). We live in Florida, and every type of bug grows down here. Used to be able to dig up a shovel of soil and it always had grubs of various sizes in it. We were planting fruit trees in the yard, so we got to see this several times. The nematodes really worked.We spray-applied with a hose-end sprayer and then watered a lot to make sure they made it down into the soil. Not too long after applying, a few weeks later, maybe a month, the next tree we were planting, we noticed far fewer grubs...we actually had to dig around and look for grubs on purpose, instead of them being visible in every shovel-full of dirt. And we didn’t find many.A wonderful side-effect is that we had fewer ants. We went through a canister of orthene every month trying to keep the fire ants at bay. We tried to keep them from encroaching on the patio area, and from around the fruit trees. After applying, we noticed fewer and fewer new mounds, and eventually we had no more fear of walking around in the yard.We’re noticing the ants starting to come back, and we found some grubs under a fruit tree, so it’s time to apply again!!
Erin
Reviewed in the United States on September 8, 2011
I used these for an indoor meyer lemon tree. I had some strange tiny white insects which were infesting the soil, and I needed a method to get rid of them without causing harm to my pets or family members. This product did the trick: within 2-3 weeks, all of the insects were gone and the tree has had a marked improvement. They were fairly easy to apply--I just mixed them into some top soil and covered the plant in the mixture, followed by adding some water.When shipped, these nematodes are microscopic... a few weeks out, you'll definitely see them. They look like smallish (1-1.5 inch), very aggressive earthworms. The one problem with using them in indoor plants is that they will escape the plant's container. They've been in there for about a month now, and 2-3 have somehow gotten out of the pot and onto the floor, and I've also found a number of them dead in the tree's drain pan. A bit gross if you're squeamish about those things, but nothing hard to clean up.My only critique is that these were shipped very poorly. They only had a tiny cold pack to keep them cool during a massive summer heat wave. I'm surprised as many survived as did!
sugastar01
Reviewed in the United States on September 26, 2009
For a year I had tried everything to get rid of the fungus gnats in my houseplant soil. I had purchased a bag of soil that was infested with the larvae, and they took over ALL of my plants, killing a number of them. They were out of control. Pesticides and fumigation would only kill the adults, and in another week I'd be right back where I started. Finally I did some research on the internet and read that nematodes were one of the best means of controlling fungus gnat larvae long term, but none of the local garden centers carried them. Hirt's was the only place I could find that carried Scanmask. The product arrived promptly and has worked beautifully! No more bugs!It kinda creeped me out at first to think of putting worms in the soil of my house plants, but they are microscopic and not harmful to people or pets. Besides, I'd rather have microscopic worms than fungus gnats flying in my face all day.There were a few things I wish the package instructions would have included: How to make up a smaller batch if you are only using part of the carton (it says it will treat 1050 4" pots!) and how much of the mix to put in each pot. I think I over did it, because it didn't go nearly that far, but it worked either way so I'm happy.I tell everyone I know that has houseplants and has noticed little bugs that look like fruit flies flying around to use this product. It is the only thing that works!
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