Sierra Natural ScienceSNS-209 Systemic Concentrate -1 Pint

Takes a long time to work. I use it prophylactically now. For active infestations, I would use a different systemic. However, this one is truly organic, OMRI certified, and safe for pollinators and hummingbirds.

Either this stuff works or I am very lucky. I have a large collection of plants in semi hydroponics, and I use this in the reservoir for maintenance/prevention of pests. I have not tried to use it on an active outbreak.

No fungus gnats in semi hydro growing houseplants

Funny enough, after leaving the 1 star review, and the package was postponed for 5 more days, the package magically showed up today. The product is great and I have no complains about it, I hope the seller pays more attention to shipping times and issues on the future. Updated to 5 stars because product is good.

I have been using this product for all my plants (1 in soil and others in semihydro) for 3-ish months now. Throughout these months I have found seemingly thrips damage on some of my plants but no signs of the pest itself. Last week I found thrips larvae on a new plant (on which I haven't been using this product), and the next day on another plant next to it (been using the product for 2 mo). So far I haven't found more thrips on more plants after treating the affected 2 with insecticides.I was thinking maybe I had thrips at some point within my collection, and the product had deterred them from continuously feeding on my plants so they gradually died off. So when a new plant with tasty leaves arrived, naturally pests appeared.I know the situation doesn't sound ideal, but I'm happy enough with the product's performance. I think this is better than nothing for those growing in semihydro and those who can't buy the systemic granules (which I am both).

It’s working very well. I had a spider mite outbreak after using systemic granules to treat fungus gnats 🤦‍♀️😩 (ughhh lesson learned). I’ve been using this regularly (every time I water) and no sign of spider mites. I have well over 75 plants and treating pests can be an absolute nightmare. Phew! ⭐️ ⭐️ ⭐️ ⭐️ ⭐️

I have tried multiple times to use this for thrip control. It does NOT work lol. No barrier is created. The thrips could care less about the rosemary. They will not die. They will not stop eating. They will not move on. The only thing I have found that works is DR Bronners soap. Spray your plants every day until the bugs are gone.Spending $80 dollars on a gallon of woo woo is dumb.

Bought one of the ouches of concentrate to help deal with the start of a spider mite problem I had on my rubber tree. Had some leftover and used it on my Monstera Adansonii which had what I assumed was a fungal infection of some sort (tons of crispy brown spots with yellow halos). It cleared up the fungal infection almost IMMEDIATELY. It’s been a few weeks and I haven’t seen ANY new damage appearing on the leaves. The bottle is definitely more efficient and easier to use than the concentrate in the pouch. But either way, this product absolutely works for pears and fungal issues and is now a staple in my houseplant care kit.