Weeds in Lawn - Knowledgebase Question

phoenix, az
Avatar for ivoryrob
Question by ivoryrob
May 23, 2007
I've tried all types of weed killer, but none works. The weed is very small and is 4 leafs and a yellow flower. It is starting to get very thick in my lawn, what can I do to get rid of this?

Answer from NGA
May 23, 2007
Without knowing exactly what the weed is, I can't recommend an herbicide. Not all products work on all weeds, as you have discovered, and spraying the wrong thing can do more harm than good. I suggest you take a sample of the leaves and flower to University of Arizona Maricopa County Cooperative Extension. They have Master Gardener volunteers who can ID it, and recommend a solution. Here are the locations. Be sure to call to verify someone will be there.
4341 E. Broadway Road
Phoenix, AZ 85040
(602) 470-8086 ext. 301
8:00 a.m. - 5:00 p.m.
Monday through Friday

In the West Valley:
In the P.O.R.A. Building
13815 Camino del Sol
Sun City West, AZ 85375
(623) 546-1672
8:00 a.m. - 5:00 p.m.
Monday through Friday

In the East Valley:
In the Red Mountain Multigenerational Center
7550 East Adobe
Mesa, AZ 8585207
(480) 985-0338
9:00 a.m. - 12:00 p.m.
Monday and Thursday

In the Northeast Valley:
In the Via Linda Senior Center
10440 E. Via Linda
Scottsdale, AZ
(480) 312-5810
Monday 9:00 a.m. - 12:30 p.m.
Thursday 9:00 a.m. - 4:00 p.m.

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