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Started By
Message
patchy grass issue(2 different strains)
Posted on 4/8/24 at 7:57 am
Posted on 4/8/24 at 7:57 am
Moved in to a new house a couple months back and the previous owners said the current grass was a winter grass(outstanding condition) which would die of and the summer grass would grow back. I didn't get a chance to ask what the strains were at the time.
I've ID'd the grass types with the majority being St. Augustine but there are now patches of Kentucky Blue growing and double the pace of the St. Augustine. Aren't both of those grasses suitable for warm weather? The Kentucky Blue looks great but it grows at double the rate of the majority of the yard.
Any advice on how I should handle this? I'm in zone 8a if that helps at all.
I've ID'd the grass types with the majority being St. Augustine but there are now patches of Kentucky Blue growing and double the pace of the St. Augustine. Aren't both of those grasses suitable for warm weather? The Kentucky Blue looks great but it grows at double the rate of the majority of the yard.
Any advice on how I should handle this? I'm in zone 8a if that helps at all.
3
Posted on 4/8/24 at 8:46 am to pankReb
KBG won't last in warm weather unless it's a specific hybrid variety (this one).
Even still, it will likely require a lot of water and care to keep it in good condition for an 8a summer.
If you want to see how long the KBG can last, cut it at 4" and keep it watered.
If you want the St. Aug to take over, cut it at 3". Definitely don't go lower than 2.5", which is the minimum height of cut for St. Aug.
Even still, it will likely require a lot of water and care to keep it in good condition for an 8a summer.
If you want to see how long the KBG can last, cut it at 4" and keep it watered.
If you want the St. Aug to take over, cut it at 3". Definitely don't go lower than 2.5", which is the minimum height of cut for St. Aug.
Posted on 4/8/24 at 8:51 am to bayoubengals88
Thanks for the help. As it is, I’d rather the St. Aug take over as its the majority of the grass with KBG just growing in patches.
Appreciate the tip on grass length. So if I cut it down to 3”, do you think that might kill off the KBG?
Appreciate the tip on grass length. So if I cut it down to 3”, do you think that might kill off the KBG?
Posted on 4/8/24 at 8:58 am to pankReb
quote:The lower you cut it the more susceptible to heat it will be, but you've got this balancing act with St. Aug, which really prefers 3.5 to 4" for optimal health.
So if I cut it down to 3”, do you think that might kill off the KBG?
(If you had bermuda or zoysia then you could cut at 1-2" and the KGB would be gone really quickly).
All that said, consistent temps above 85 should cause the KBG to fade, especially in the sun.
Good luck
Posted on 4/8/24 at 9:05 am to pankReb
Post some pictures if you can. That always helps.
Posted on 4/8/24 at 9:15 am to ronk
Posted on 4/8/24 at 9:24 am to pankReb
Image Kills Nutsedge might be the easiest solution here, but I'm not sure that most of the lawn is St. Aug...it looks like a tillering grass (indicative of cool season grass).
I see no evidence of runners/stolons or the darker green that is St. Aug.
I'd love to hear what Ronk thinks.
I see no evidence of runners/stolons or the darker green that is St. Aug.
I'd love to hear what Ronk thinks.
This post was edited on 4/8/24 at 9:30 am
Posted on 4/8/24 at 9:28 am to bayoubengals88
To be fair, I used a Plant ID app to figure out what the grass types are. Very well possible that it's wrong.
Posted on 4/8/24 at 5:09 pm to ronk
Gotcha. Do you think that’s the winter grass that will die off and the KBG is the summer grass?
Posted on 4/8/24 at 6:07 pm to pankReb
Cutting to the chase, 8A is Bermuda’s dream zone 
Posted on 4/8/24 at 6:37 pm to bayoubengals88
That’s good to know. I’ve never tried it but how hard would it be to transition over to that? Say maybe for next spring?
Should probably include that the only tree on my property is a rather large one mostly covering my front yard. But the majority of the lawn is in full sun in the back yard.
Should probably include that the only tree on my property is a rather large one mostly covering my front yard. But the majority of the lawn is in full sun in the back yard.
This post was edited on 4/8/24 at 6:39 pm
Posted on 4/8/24 at 7:02 pm to pankReb
If what you have now is annual rye and kbg then all you would need to do is scalp it, Glyphosate it, and seed or sod Bermuda.
Seeding is much more affordable but takes more work.
But theoretically you could start tomorrow.
Bermuda must have full sun (6+ hrs) so get the tree cut down or thinned.
Seeding is much more affordable but takes more work.
But theoretically you could start tomorrow.
Bermuda must have full sun (6+ hrs) so get the tree cut down or thinned.
Posted on 4/8/24 at 9:54 pm to pankReb
Bluegrass and St Augustine? Are you in southern Cal close to the Pacific? I can’t imagine finding those two in the same lawn anywhere else.
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