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Double Diamond

Common Name
Tetraploid Annual Ryegrass
Lolium multiflorum

Double Diamond tetraploid annual ryegrass is a cross between TAMTBO and Master annual ryegrass. Mature plant height and flag leaf width are incredible. In a private trial in Alabama, the trial managers mentioned that Double Diamond had the widest leaves of any annual ryegrass variety they had seen. Exhibiting high forage yields, very fast establish-ment, excellent leaf to stem ratio, and high forage quality, Double Diamond is an excellent choice for your forage needs.  

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  • Annual ryegrass can be planted almost year around. As long as nighttime temperatures are above 40 degrees and daytime temperatures are above 55 degrees, adequate germination and growth can be accomplished. Fall ... South: September through March, depending on location. Fall ... North: August through October. Spring: As soon as the temperatures are adequate. Can be frost seeded. If overseeding warm-season pastures, mow or graze warm-season grasses short before planting annual ryegrass to aid in establishment.


  • Starkville, MS


    Double Diamond 6,923
    Trinova 6,580
    Nelson 5,808
    Big Boss 5,648
    Prine 5,647
  • Louisiana (3 locations)

    3 yr. ave. 2017-20

    Double Diamond 8,019
    Prine 7,908
    Nelson 7,661
    Earlyploid 7,477
    Gulf 7,245
  • Overton, TX

    3 yr. ave. 2017-20

    Double Diamond 7,957
    Jackson 7,537
    Nelson 7,290
    Gulf 6,853
    Prine 6,293
  • Headland, AL


    Double Diamond 3,509
    Attain 3,161
    Nelson 3,116
    Grits 2,988
    Marshall 2,843

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