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Rick from Louisville, Ky writes

I'm confused whether or not it will hurt new Kentucky Bluegrass seed?

I've read the label but it say's it hurts Fescue's when seeding but it also says it suppresses Bluegrass, Annual Poa annua. I need this cleared up as I'm about to seed. I've already put 1 app of Tenacity down.


Kentucky Bluegrass (Poa pratensis) is different than regular Bluegrass (poa annua). It is true that Tenacity may reduce density of fine fescue seedings. Tenacity can be used on grass seed blends that contain less than 20% by weight of hard or fine fescue. It will not harm your Kentucky Bluegrass seeding. If you need more specific information on a turfgrass not mentioned on the product label you can reach the manufacturer at 866-796-4368.

Answer last updated on: 10/10/2013

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