Weeds

I made a post several weeks ago about our inability to continue with summer weed control. The summer we had experienced in June and July did not permit the application of herbicides to the turf. A typical three-way herbicide to control broadleaf weeds like chickweed, blackmedic and clover has a warning to not spray in temperatures over 85 degrees or turf death will be experienced. As we all know we didn't experience conditions conducive to spraying.

Spraying for annual grassy weeds like crabgrass and goosegrass is also very difficult to accomplish when we have extreme temps. Most annual grassy weeds we have are southern weeds, the hotter the better if you are spraying EXCEPT when temps are extreme and your excepted turf is stressed. Again, we would have killed everything.

Over the next several weeks we will begin spraying weeds again. We have several other time sensitive issues that must be dealt with first, like greens verification and late summer seeding. When resources are available weed spraying will commence.

William Brown, CGCS

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