Primo Zoysia – In Production

In Production

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Primo is an extra fine bladed tees and greens rated Zoysia grass that has been selectively bread for its superior drought and shade tolerance as well as reduced need for additional nutrients. Primo is a very low maintenance grass when it is established and requires half the mowing of traditional warm season grasses. To successfully maintain a Primo green, there are a few key points that should be understood in order to get the best out of this premium turf grasses.




Primo is a very densely matted grass with exceptional tensile strength and extensive rhizome and root growth beneath the surface. When your Primo is delivered fresh from us, it is important to install the grass as soon as possible, This will reduce the risk of the roots drying out to the point where the plant will be under stress.

Important points for Primo installation:

  • Install the grass as soon as possible after delivery.
  • Lay on a bed of 50-100mm of quality predominate (be the strongest or main element) sand underlay.
  • Wet the base before the sod is laid on it to encourage roots and reduce stress.
  • Use starter fertiliser at label rates to give the grass a head start and retain moisture in the new sand bed.
  • Soak the newly laid turf thoroughly and deeply for 10-14 days after installation.
  • Reduce irrigation after once established and water only when the grass appears to be dry.

Primo has been selectively bred to require much less nutrient inputs than traditional warm season grasses. Primo needs approximately 50% of the Nitrogen used on traditional turf varieties and exceeding this can lead to unwanted issues with excess growth and disease.

Important points for Primo fertilising:

  • Only fertilise when the lawn appears to be deficient e.g. losing colour
  • It is recommended to fertiliser in small amounts more often than in one or two larger applications.
  • Apply fertiliser at label rates as required.
  • Fertilise between early Spring and mid to late Summer if required.
  • Do not fertilise in Autumn, wait until Spring to reapply.
  • Liquid Iron and other micronutrients can be used to improve colour without the use of Nitrogen based fertilisers late in the season.

Primo was originally bred for the American Golf Market and has been used in many application with mowing heights from 2-10mm on tees and greens. Primo holds a beautiful appearance at all levels, so it is up to the individual to decide on the desired heigh for each application. The Primo leaf blade has a high silicone content making it very strong, this, along with its dense vertical growth give Primo superior surface strength and appearance.

Important points for mowing Primo:

  • Ensure that mower blades are sharp to prevent tearing of the leaf.
  • Never remove more than 1/3 of the leaf blade at any one time unless dethatching.
  • Dethatch in late winter just before the grass comes out of dormancy.
  • Remove clippings each mow to prevent thatch build up.

Primo is a drought hardy grass that will survive through harsh drought conditions and will recover very quickly once water is applied. Primo as a rule does not like to have wet feet, especially in the cooler months.

Important points for Primo irrigation: 

  • Once established, water only when there are signs of stress e.g. changing colour, wilted leaves.
  • Do not over water in the winter months
  • Water deeply to soak the top 100mm of sand.
  • Water early in the morning or late in the evening for improved efficiency.

Primo has been bred from the largest natural gene pool of warm season grasses, the Zoysia genus that are inherently shade tolerant. This natural tolerance and ability to survive in low amounts of sunlight is a product of the environmental conditions and natural selection in Zoysia’s region of origin and the selective breeding that has occurred since.

Important points for Primo in shady areas:

  • Can survive in areas of 40% sunlight.
  • Be careful not to over water shady areas.
  • Reduce traffic on lawn in heavily shaded areas where possible.
  • Ensure there is at least 100mm of quality predominate sand underlay beneath the turf when laid.

Primo has naturally occurring allelopathic characteristics. Allelopathy is a biological phenomenon where one plant inhibits the growth of another through the release of natural chemicals into the growing medium. Because of this trait, growth of weeds and other unwanted turf species in your Primo green will be inhibited to a certain extent but there will be times when weed control is necessary.

Most commercially available chemical weed, and pest control products can be used on Primo, but always best to read the label and check with us for recommended products before any application.

During the Spring/Summer 2016/2016=7 several herbicide options were tested for crop safety and suitability. For further information on this, please contact Lawn Solutions Australia.

With the correct maintenance and care, your Primo will be the envy of the turf enthusiast with much less inputs than other turf varieties. Primo has been specifically bred to require less nutrients and water and has half the mowing requirements of standard warm season grasses.





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