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r_att11

SA lawn in Texas... looking for revival ideas and help

r_att11
6 years ago

I've been living in a rental house for a year, and I finally have some time to work on my pathetic back yard. I live in College Station, TX and the obvious plan by the builders (quick build) was to have a St Augustine lawn in the front and back. The front lawn is healthy and strong. It receives partial shade throughout the day.
My backyard has a mild upslope going towards the fence (fence higher than the house), and the center portion of the lawn gets full sun almost all day long. Over time this has killed almost all St. Augustine and weeds have invaded. The middle section of the lawn (basically anywhere without shade) is almost 100% dallisgrass and other random weeds. My assumption is that the previous owner/I didn't water enough and due to the slope & poor drainage all the SA died. The dallisgrass was then continually mowed and pressed down until it spread throughout the back. I've got decent SA patches on each side of the house or anywhere that is shaded.
What I've done so far:
1. Attempted to just pull the dallisgrass spots one by one. Fail. The small ones are the size of softballs and they're all over. I have time, but not THAT much time.
2. I let the weeds grow out for about a week so that I could see all the dallisgrass shoots, and then focally applied glyphosate (weed/grass killer solution from Lowes) by spraying the shoots with a slim bottle around the sprayer to avoid drift. This was done 5/28.
3. Today I mowed and used my weed whacker to single out some of the largest dallisgrass patches. I spread my SA clippings onto the areas of weaker SA where it is trying to spread and grow.
My plan is to slowly dig out these large dallisgrass patches over the next few days. But after that, what is my best bet to fill in this yard??
I'm debating between SA plugs (but they may die due to constant sun like the previous SA).
Perhaps I'll try to seed Bermuda through the middle section of the lawn and hope the two grasses look better together than a dirt/weed box?
Any suggestions are appreciated! I need help!
And if you read this and go "wow, this idiot did what?!" please let me know what I did wrong! I want to learn from this and get a better lawn. Pictures attached. Thanks!
1- good SA patch on one side of yard
2- middle of the yard. Patches look grassy but most are the dallisgrass heads. Bermuda patches on far fence.
3- focus on one of those dallis grass spots. Hard to tell in the pic but most of the middle lawn is weeds, not grass.
https://postimg.org/image/o6ei2nfpt/
https://postimg.org/image/cikg83qkx/
https://postimg.org/image/wr7tttpw1/

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