Using Tenacity positively benefited all of our fields. According to our local sod man and main landscaper for the area, I have several forms of Poa and he recommends Tenacity.

Tenacity only requires 1/2 a teaspoon per gallon, so the small 8 oz bottle it comes in goes a long way. Read the labels in their entirety, as particular protocols exist when using these products on greens.

A well-maintained lawn doesn’t leave any room for weed seeds to sprout.

Accuracy is important.

If you lawn is thick and lush, weeds like Poa annua will have a hard time becoming established.

Kentucky bluegrass and ryegrass are tolerable to it so would not be harmed.

In areas we had solid Poa annua it has been reduced by at least 50% and now has Kentucky bluegrass thriving within those areas.
After a month, I had a difficult time getting new seed to germinate in the spots treated with Tenacity. As a matter of fact, I resorted to the use of "Certainty" for Poa Trivialis control, with the …

Thanks! So far I have tried two applications of Tenacity, because I thought it was Poa Annua and read that multiple low dose applications of Tenacity work on Annua. In selecting the best postemergence herbicide to control annual bluegrass, you need to consider the type of lawngrasses you have, stage of growth of the turf and where the turf is growing (golf course, home lawn, commercial turf, etc.) While I positively adore the results that I have seen for "Tenacity vs Poa Annua", I personally have experienced that the "Tenacity vs Poa Trivialis" battle is not as successful. "Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass are sensitive to Tenacity applications.

Poa annua should be removed before it flowers and produces seed. To keep your lawn thick and Poa annua at bay, feed your grass regularly (4 times per year) with Scotts® Turf Builder® lawn fertilizer products.Remember, each feeding should be spaced 6 to 8 weeks apart. This article from Dr Patrick McCollough gives information on selecting the best postemeergence herbicide to control annual bluegrass in your situation. To kill Poa Annua you want to use Tenacity, but most importantly you’ll want to put a pre-emergent like prodiamine down in the fall before Poa Annua begins to germinate – before the …

I’m combating Poa Annua with Tenacity right now and it’s going to kill about 25% of my lawn. Thanks! Another challenge is that there is …

Using Tenacity positively benefited all of our fields. Weed grasses are among the most difficult weeds to treat and control in lawns.

The headline above is an ambitious statement. Tenacity for Poa Annua Treatment - Treating problem weeds like Poa Annua, Nimblewill, and Bentgrass takes frequent - low dose applications. It is only labeled to be used for suppression of poa annua when used as a pre-emergent.

If I can get this stuff under control the hope is that the good grass will repopulate and with some reseeding I will not have to start from scratch using Roundup. The difficulty arises in the fact that many herbicides that will kill these weed grasses will kill lawn grass as well. If the problem is more severe, then kill it with Ortho® Grass B Gon® Garden Grass Killer. Maintain a five foot buffer between treated areas and bentgrass or Poa annua greens."

Many plant growth regulators can be used safely to suppress Poa (Table 5A).

Professional lawn care companies use this product for controlling Poa annua as well as some enlightened home owners who want a yard without Poa annua. POA ANNUA CONTROL Tenacity: A New Weapon in the Poa Annua Battle By Bruce Branham, Ph.D. C ontrolling annual bluegrass (Poa annua) has been a challenge for turf-grass managers since we began managing it.