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Lawn Fertilization & Weed Control

Irish Green Lawn Care, Inc.

  • Norman Fertilizer Ordinance

    Norman Fertilizer Ordinance

    The City of Norman has recently identified Lake Thunderbird as having impaired water quality due to increased algae production caused by excess phosphorus in the lake.  Phosphorus is found in a lot of traditional fertilizers and can be carried by storm runoff into our water bodies that we use as drinking water.  To help protect our local waterways, the City of Norman has adopted an ordinance regulating the use of manufactured fertilizers.

    Lawn Care companies now have to register with the City of Norman if they use phosphorus fertilizers and the city will limit the use of phosphorus fertilizers.


    How does this effect you as an Irish Green Customer?

    As many of you know, this year we have upgraded our program to be a more environmentally friendly alternative to traditional weed control programs. We want to provide you with the safest lawn care possible for your pets, children, and our local water ways. One way we accomplish that is we DO NOT use phosphorus containing fertilizers. 

    You can rest easy knowing that your Irish Green lawn is safe for Lake Thunderbird and all other local waterways.

    To read the full ordinance: 


  • The Most Hated Weed of Them All - Stickers

    Ever step on one of these in the middle of the night? Yeah, not fun.  Try mowing a lawn full of stickers- ouch!


    Stickers/ Goat heads/ Sanburs are an annual grassy weed that if left alone can cause havoc in your lawn. They germinate in the spring, and continue to be a nuisance during the summer until the first hard freeze. However, this weed can be controlled by regular watering, pre-emergents to keep them from coming up before they germinate and a thick healthy lawn to keep those pesky weeds smothered out.

    To have a sticker free lawn, there is a process and you must be vigilant. These weeds do not play nice! But we are here to guide you in the process to help you get the best lawn.  


    The Process: 

    Step 1. Apply three pre-emergents each year at proper timing to keep many weeds, including stickers, from coming up in the first place. No worries, we will automatically apply pre emergents at proper timing for you.  

    Water pre-emergents into the lawn as soon as possible – water deeply 20 minutes per zone/area. 


    Step 2. Have you noticed that sticker balls love areas in your yard where you have thin or no grass?  In the summer, keep stickers smothered-out with thick healthy bermuda grass.

    How to create a thick healthy lawn?

    • Fertilize on a regular basis (this is part of your program with Irish Green)
    •  Water your lawn on a regular basis.  Think “long drinks of water” to encourage thick healthy roots and consequently thick bermuda grass.  
    • (Check out our facebook page at for watering instructions as seasons/temperatures change.)


    Step 3. Bag when you mow!



    This is the step everyone wants to skip, but will make a huge difference in how fast you will get this hated weed under control.   First let me tell you why it is such an important step in the process: those dreaded sticker balls each have 5 seeds in them!  So no, it is not your imagination, stickers multiple at a ridiculously rapid pace.  So the solution is to pick-up as many sticker balls as possible, as often as possible (at least weekly) and dispose of the sticker balls.  If you have a large lawn and tons of stickers, tie a burlap bag, piece of old carpet, or a furry blanket behind your riding mower.  Pick-up as many sticker balls as possible and dispose.  Repeat weekly until stickers are gone.  Once you have stickers under control, dig out every single plant as soon as you see it!  


    The Reward:

     In addition to the pre-emergents being safer for your children, pets, and our watersheds, we can work together so you will be able to enjoy a healthy lawn that is safe for you to walk on barefoot without those spikey weeds hiding, waiting to hurt you like legos in the carpet.


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