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August 2012

 

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Greetings! 

Your TREES and SHRUBS are suffering, too. Ye
s, this  summer has been tough on all of us with very little rainfall and the hottest July on record. While your lawn is looking poorly now, you trees and shrubs will be showing the impact of this summer for several years. Here is a link to a Purdue Extension Urban Forestry Specialist describing some of the current symptoms of drought damage and his suggestions on how to help your plantings survive this summer's weather:
http://www.purdue.edu/newsroom/outreach/2012/120719
PurcellTrees.html#.UBaXQlAinnQ.email
 
   
 
My lawn looks like %@##!  What should I do?

Most of us that are not fortunate enough to have a lawn irrigation system, and even some of those who do, are "singing the blues" because their normally plush green lawn has turned to crispy brown.  Sound familiar?


We have received numerous phone calls asking if these crunchy brown lawns are dead.  Should they be fertilized?  Will my lawn come back . . . ???

Here is what we recommend, and we base our suggestions on over 35 years of experience as well as the advice of the turfgrass gurus at Purdue.
 
Have you been watering?  
  • IF YES, you should certainly continue.  Remember, the smart way to water is DEEPLY and INFREQUENTLY.  Avoid light sprinklings, as much of this moisture is rapidly lost to evaporation in high temps like we experienced this summer.   
  • IF NO, you have not been watering your lawn regularly, DON'T START NOW! Why not?  Your cool-season turfgrass is dormant (hopefully) or dead, and beginning regular watering now will simply encourage the growth of warm season annual grasses and weeds.  Besides, your cool-season turfgrasses really won't respond until we begin experiencing favorable temperatures.
Should you fertilize?
  • NO (NO)
      Applying a high Nitrogen lawn food stimulates vegetative growth.  If soil moisture is limited or unavailable, it just doesn't make sense to try to promote foliar growth until conditions are more favorable, like perhaps in late September or October.

I have a whole lot of crabgrass!  "Join the club" because most of us have lots of crabgrass.  Why?  Because crabgrass is a warm-season annual grass that grows from seed each year.  If the cool-season perennial turfgrasses are under significant stress (brown & crunchy), crabgrass is able to do as it pleases and take root at will.

 

So, does this mean I should just  "put up"  with a little brown in my lawn?  No, you should put up with a whole lot of brown and wait until the time is right to reseed and get your lawn back to an acceptable state.  And this is a great time to consider reseeding with some of the newer turf varieties that have proven themselves to have greater drought tolerance. 

 

REALLY . . . What should you do?  We suggest you plan to reseed (overseed) your lawn during September.  (Overseeding means planting new grass seed into existing turf.  One major advantage to overseeding is that the potential for soil erosion is minimized since the existing turf is not removed. If lots of weeds or undesirable grasses exist, you may wish to apply Killzall (Glyphosate) to the foliage a day or two before you overseed.) If your turf performance has been less than ideal, get your soil tested and find out exactly what fertilizer you should be buying for application at time of reseeding and for future applications.  You will spend about $20 for a soil test which will analyze the existing Phosphorous and Potash in your soil, as well as the pH of the soil.  A soil test is the ONLY way to determine what the appropriate fertilization program for your lawn really is.  We will be happy to give you specific instructions on how to take representative soil samples and send them to the lab for analysis.

 

When you reseed, it is imperative that the new seed makes positive contact with the soil.  A power rake has about 24 or so blades that spin vertically and make small shallow grooves in the soil.  Using a power rake is not especially difficult, and these are available at most rental stores.  A steel garden rake may also be used to scratch the surface of the soil prior to seeding.

 

Use good quality seed containing NO Annual Ryegrass.  You might want to consider reseeding with a mixture containing Turf-Type Tall Fescues, which are noted for excellent dark green color and exceptional drought tolerance.  We like ExecuTurf  Playmaker Mixture which contains 80% Turf-Type Tall Fescues.

 

At the time of reseeding, it is important to use a "starter" type fertilizer to aid in the development of a strong root system.  We offer several different analyses and can make educated recommendations based on the results of your soil test.

 

And finally, keep the seedbed uniformly moist by sprinkling at least twice daily to hasten seed germination.  At this point there is no need for deep waterings, however, light sprinklings to keep moisture present around the new seed is important.  It will take several weeks of these light sprinklings to get the grass up and growing; and as more seeds germinate and the grass begins to cover the bare soil, waterings will start becoming less frequent and of longer duration.

 

After the third mowing, it will be time to fertilize the new lawn with a high-Nitrogen fertilizer like Fertilome Lawn Food + Iron.  And if you get your seed established in early September, you will be fertilizing around mid-October.  You may also fertilize again around Thanksgiving, based on the results of your soil test.  While you won't hear any radio ads promoting "Feed your lawn . . . feed it" in November, this is actually one of the very best times of the year to fertilize.  We will tell you more about that as the time draws near.    

  
 

Four Seasons Landscaping Nursery                       Now Open

226 E. US Highway 6, Valparaiso, IN                       9-5:30 Mon-Sat.  Info@FourSeasonsValpo.com                                 10 - 4:00 Sunday

Website:  FourSeasonsValpo.com                         Phone:   219.464.4941