Saturday, July 13, 2013
Know problemo
With the increasing heat and humidity, not to mention excessive downpours we've experienced, it is no wonder we are starting to see problems on the lawns.
Identifying the issue and knowing what to do are the most important elements.
Seeing spots?
Because of this specific weather mixture turf disease has been more prevalent than in recent years, dollar spot, brown patch and leaf spot leading to melting out have all caused lawns to lose uniformity.
Really, fixing these issues are quite easy. A shot of nitrogen from fertilizer and growing the area out is the best way to deal with it. Just be careful to dial back the application otherwise you run the risk of burning the lawn. Also annual aeration is a good preventative measure.
Nymphomania
I am now starting to see damage from Chinch Bug nymphs. There hasn't been a lot of activity but what I've seen thus far has been enough to advise treatment.
Chinch love the heat and as a top feeding insect will procreate in your lawn's thatch layer while sucking the juice out of the grass blade, reducing it to a straw-like appearance. Often this damage is mistaken for drought until it's too late.
The insects are easily spotted in the morning sun by getting on your knees and parting the grass blades on the edges of the infected area. It is here you can see them scurrying about.
Treatment these days, is more preventative than target specific since "Sevin" is no longer available. Annual aeration and over-seeding with endophytic grass like Eco Lawn is key. STAY AWAY FROM KENTUCKY BLUE GRASS! However, soap flushes and products with eucalyptus do help and can convince the insect to pack-up and leave.
Feeling crabby?
Remember when I told you earlier this year to raise your mowing height, but you still wanted that golf course feel and ignored me? Well, you should now be seeing crabgrass germinating on the edges of your lawn and perhaps in the sunniest areas of your turf as well.
Like chinch, crabgrass loves the heat and has exploded seemingly overnight.
The reason I recommend a higher setting for the mower is to keep the grass drought tolerant and the soil temperature cooler so crabgrass germination is less likely.
Perhaps you'd feel better to know that even with my mower on it's highest setting I still have crabgrass on some edges of my lawn near the pavement, but it is minimal and easily pulled.
Some will preach corn gluten as a pre-emergent in May, but I am not one of those people. Having used this product in various forms, I am here to tell you, it simply isn't effective enough and in my opinion a waste of money.
Your best plan is to either pull it out now, or wait until this annual weed dies in the fall. Then reseed the area with predominately perennial rye grasses. Personally I'm really taking a shine to a product called CPR (creeping perennial rye).
Wow, that's a lot on your plate, but remember we still have August and the next wave of grubs to deal with. Have a great summer.
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