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Winter Fertiliser Trials

Winter Fertiliser Trials: Preliminary Update

According to preliminary results below from the 2012 Winter Fertiliser trials at Ozbreed, winter may be the most important time of year to fertilise for a green winter lawn.

Autumn fertilising has always been recommended for a greener lawn in winter, and so far combined with winter fertilising, it is showing much better results for a greener lawn in winter.

Nara Native Turf responded the best to an application of winter fertiliser with a 2.25 rating rise compared to only an autumn application. It was also one of the best rated varieties with a winter fertiliser application, including Sapphire Soft Leaf Buffalo and Kenda Kikuyu.

Nara fertilised in winter 2012
Nara fertilised in winter (left) Nara not fertilised in winter (right)
Winter fertiliser trial plots.
Nara fertilised in winter (bottom) and non native Zoysia fertilised in winter (top)

Winter Fertilising Ratings: 31.07.12

Note: all plots below were fertilised in autumn with slow release fertiliser. The ones also fertilised in winter were at a heavy rate with the slow release fertiliser Elevate NPK:24-1-10 (500ml per half plot, 1000ml per full plot)

Variety name Average rating /10
Autumn fertiliser only
Winter and autumn fertiliser
Sapphire 6.5 8
Kenda 6.75 7.5
Nara 4.75 7
Palmetto 5.75 6.5
Sir Walter 3.25 6
Kings Pride 3 6
Village Green 3.25 5.5
Noonan 4.25 5.5
Matilda 1.75 5
Empire 5 4.5
Grand Prix 2.25 2
Legend 1.5 2
Stadium 1.5 1.5
Rileys Evergeen 1.5 1.5
Rileys Super-sports 1.5 1.5

Click here for more information on fertilising lawns in winter

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Todd Layt

Todd grew up on a turf farm where he gained his firsthand experience with turf varieties. He began breeding improved varieties and started Abulk (Turf and Wholesale Nursery) in 1990. Todd’s passion for plants and breeding grew to encompass landscape plants, which led him to start Ozbreed in 2003. Now with over 20 years breeding and marketing experience, he continues to focus on the breeding and research arm of the business.

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