Growth under trees

Discussion in 'Fertilizer Application' started by spgseth, Aug 18, 2012.

  1. spgseth

    spgseth LawnSite Member
    Messages: 41

    I have two large oak trees in my front yard that are inhibiting the grass from growing (bear dirt) in about a 30ft radius. The majority of grass consist of St. aug and centipede how can I get the grass to grow under the trees?
  2. cgaengineer

    cgaengineer LawnSite Fanatic
    Messages: 15,778

    You can't...between the shade and the water uptake of the tree it's a losing battle.
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  3. agrostis

    agrostis LawnSite Silver Member
    Messages: 2,545

    Did you know that a fully grown oak tree can pull 800 gallon's of water a DAY from the ground. Grass under tree's is a losing battle, don't even try.
  4. ArTurf

    ArTurf LawnSite Platinum Member
    Male, from Ark
    Messages: 4,471

    Do you have irrigation? If not prob SOL. If so it can be done to some degree. here are the things to do that might make it possible. Trim the limbs up as high as possible to allow sunlight in. If it is St Aug maybe add a little more Phosphorus than usual to the area around the tree. If there are roots on top of the ground you will need to add some dirt so the St Aug runners can run into this. Stay off of this area with the mowers, maybe all season long. If you do get to the point the grass needs mowing cut it HIGH. If you do need to mow it consider mowing it with a walk mower or string trimmer, this grass will be fragile and the wear from a heavy rider will injure this grass. Prob will have more success with the St Aug than centipede.
  5. Ric

    Ric LawnSite Fanatic
    Messages: 11,969

    The LSU main Campus has many Large Oak Trees. They grow Wedelia under them. Wedelia is a Ground cover that LSU will Weed Eat short once or twice a year.

  6. KrayzKajun

    KrayzKajun LawnSite Fanatic
    Messages: 10,737

    Great response ric.
    Posted via Mobile Device
  7. ArTurf

    ArTurf LawnSite Platinum Member
    Male, from Ark
    Messages: 4,471

    Did you go to LSU? Just got back from there since my daughter will be going to school there. I wasn't around the main campus since she is going to vet school and it has it's own building away from the main area.
  8. Ric

    Ric LawnSite Fanatic
    Messages: 11,969

    I am very Familiar with the Vet School near the River. They do a lot of DNA Research and some cloning. Many years ago I lived right down the street in Tiger Town and bought $ 0.13 a pound live crawfish fresh off the Bayou. Yep that is over 40 years ago.

    Louisiana has a very rich cultural back ground that I hope your daughter can pick up on and enjoy. I tried my best to be a Coon-ass and still do a lot of Cajun cooking. Many of the small town hold festivals that go back to European history. New Orleans is only the tip of the ice berg that is Louisiana.

    However Louisiana is deep south with the perjury against any one not pure white. When my children came home from Pre School telling me they are called the "N" word because they are Asian, It was time to move.

  9. Smallaxe

    Smallaxe LawnSite Fanatic
    Messages: 10,082

    I'm in cool-season grass country and all I have is shade lawns because the people that moved into the area wisely kept the trees close to the house... The canopy is made up of mature oak and pine, for the most part, and allows only dappled sunlight throuh over 60-80% of the cover... Slopes in amongst the trees are still a challenge but grass does grow there as well...
    I don't know if these mistakes apply to warm-season grasses or not, but those around here that fertilize the same amount as full sun/irrigated lawns, fail... Pre-M is a real deal breaker in the shade as well...
  10. Duekster

    Duekster LawnSite Fanatic
    from DFW, TX
    Messages: 7,961

    Why would someone spray Pre-Em on bare ground where they want to establish grass?

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