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Do You Have Brown Patch?

How about this weather? It’s hard to complain about these cooler temperatures and rain, but it does bring Brown Patch, which we’ve been seeing a lot of in the past week.

We typically don’t see Brown Patch until later September in North Texas, but with these cooler temperatures at night, we are seeing some brown rings and patches showing up in our customers with St. Augustine lawns.

Brown Patch is a fungus that attacks St. Augustine in the fall (and spring.) The reason we experience so much Brown Patch during these two seasons is because our warm days and cool evenings mean your lawn never fully dries and Brown Patch thrives on these damp conditions.

To understand Brown Patch, you need to consider that St. Augustine is a tropical plant and our North Texas summers of blistering heat (although this year wasn’t as hot) coupled with cold winter days put far more stress on it than its more natural home in places like Houston or Florida.

The stress of summer followed by our fall like conditions of warm days and cool nights create the perfect environment for Brown Patch.

Brown Patch isn’t going to destroy your lawn. Its biggest crime is making your lawn look bad. It typically goes away after our first frost. The bigger risk is that if you let it get out of control it can weaken your grass which could then suffer freeze damage if we have a cold enough winter.

If you want to avoid or treat Brown Patch I recommend watering your lawn in the morning so it has the best chance to dry during the day. You can also cut back your watering in shady areas. Instead of 30 minutes per week, try 10 or 15 minutes in those areas. You can download our free fall watering guide here.

Another thing to note if you are doing your own fertilization is that Brown Patch feeds on nitrogen. You need to avoid high-nitrogen fertilizers in St. Augustine lawns during early spring and late summer through fall. At Village Green we use a 5-10-31 ratio fertilizer.

Finally, if you see signs of Brown Patch you should treat the areas with Propiconazole. This isn’t going to make the Brown Patch go away, but it will stop the spread into other areas of your lawn.

As always, if you have a question regarding your lawn and landscape give us call at 972.495.6990 or email me at ken@villagegreen-inc.com. I love to answer your questions and often turn them into Quick Tips to help teach our customers on all things lawn and landscape related!

When is the best time to landscape my yard?

How To Get Rid Of Fall Weeds

I’ve been getting a lot of people asking me what can be done about all the crab grass and other weeds they’re seeing in their lawn this fall.

The good news is most are summer weeds that will go away soon. The bad news is these weeds have already left their seeds in the lawn which means they will be back again next year unless something is done over the next few months.

That’s why at Village Green, our annual fertilization and weed control program includes fall and winter visits. These are some of the most important visits we make all year, because we are applying preventatives that will keep those seeds from turning into weeds next year.

On these visits we apply a pre-emergent that prevents winter weeds from coming up along with a post-emergent for any broad-leaf weeds that have already sprouted. In late winter, around February and March, we apply a different type of pre-emergent to prevent spring weeds, such as henbit or poa-annua from growing.

All of this means when the lawn comes out of dormancy next April, it won’t have to compete with a bunch of weeds and will fill in much more quickly.

Does this prevent all of the weeds? Unfortunately not. There are three types of weeds: annuals (those that come back from seeds each year), biennial (those that have a two-year life cycle) and perennial (those that come back from their roots every year).

Pre-emergents only work on seeds so they are only effective annuals. The other two, biennials such as dandelions or perennials, such as dalisgrass can’t be prevented and must be controlled after they have sprouted from their roots.

Preventing the annuals from growing is a great start though and allows us to focus on just the other two types.

I’m often told that some of the gardeners on the radio say a pre-emergent can only be applied in September and ask if our preventative will work when we apply it later.

They are right, what is available at nurseries is only effective during certain times of the year but what Village Green applies is much different. It is more effective than what is available at stores and is applied later in the season.

Another big factor in the success of our winter weed control depends on watering. We apply our pre-emergent in big droplets which makes it fall to the ground instead of misting and blowing around. Once the drops hit the ground they stay on top of the soil. The pre-emergent only starts working when you water the lawn. The water spreads the droplets out evenly across the ground and pushes it down in the soil where the seeds are waiting to come out. Without watering, it sits on top of the soil for a couple of weeks and then eventually disappears which doesn’t do any good.

So what does all of this mean to you and your lawn? Having a great lawn next year starts with how you treat your lawn this fall and winter.

As always, if you have a question regarding your lawn and landscape give us call at 972.495.6990 or email me at ken@villagegreen-inc.com. I love to answer your questions and often turn them into Quick Tips to help teach our customers on all things lawn and landscape related!