I've been planning on renovating my lawn since late winter/early spring this year. I live in North Carolina, which is in a "transition" zone (the climate can support both warm and cool season grasses). The turf in my lawn is mostly bermuda grass, but the lawn itself is mostly weeds (I dubbed it, The Salad Bar).
My hope is to be able to grow turf type tall fescue since it never really goes dormant here (if properly irrigated). The challenge is that bermuda grass, especially well established bermuda in lawns, is a notoriously difficult plant to control/kill.
Last Sunday I did my first round of 41% glyphosate. I applied it using a pump sprayer with a fan tip nozzle and coating everything til wet. I didn't get started until early evening so it was hard to see what was thoroughly wet and what merely got misted. Also, my experience with a pump sprayer at the time was pretty much none, and I was struggling to get a consistent stream (turns out you want to be very careful to not let any particles into the tank...).
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In spite of taking the time to measure the lawn, calculate how much product the sprayer puts out (1/2 gal per 2.5 min btw), and how many tank fills it would take per section of the lawn, the sprayer malfunctions and late hour sent me into "Fuck it, I know I'll have to do this twice anyway" mode. I definitely didn't spray the recommended rate of 1 gallon per 300 sq ft. Also, in hindsight I should've mowed down to 2.5 inches so that more spray could reach the leaves lower in the "canopy."
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I mowed yesterday to about 2.5 inches and watered about 1/2 an inch. Around noon today I applied round 2 of the glyphosate. As you can see there were still quite a few green areas. Because bermuda has a rhizome, I always knew I'd need to spray at least twice to fully kill it. It's looking like I should plan to spray a third time (though much more targeted and not a blanket application). I'll water every other day to encourage growth and hopefully whatever comes back green will die off for good after round 3.
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