Subscribe and save 17% with an annual subscription. Learn more.
Subscribe and save 17% with an annual subscription. Learn more.
The Wirri Winter Soil Mix includes our winter wetting agent as well as a balanced mix of rich nutrients to protect and nourish your lawn during the cold months. The wetting agent ensures consistent water distribution, preventing dry patches with an advanced penetrating surfactant blend. NPK delivers an essential mix of nitrogen, phosphorus, and potassium with trace elements in a liquid form, ensuring comprehensive lawn nutrition and strength through winter. This mix strengthens your lawn, ensuring it can withstand the cold and emerge strong in spring.
If you are on our Wirri Annual Subscription, you want to apply this product around June 1st, July 1st and August 1st.
GreenLift is specially formulated to maintain the vibrant green colour of your lawn throughout the year. It delivers a premium blend of nitrogen, iron & manganese directly to your leaf, intensifying your lawn’s green color and enhancing its ability to absorb nutrients efficiently. By promoting lush growth, GreenLift ensures your grass stays healthy and vibrant, no matter the season.
If you are on our Wirri Annual Subscription, you want to apply this product around June 15th, July 15th & August 15th.
NitroGreen delivers a crucial nitrogen boost to keep your lawn resilient through winter. It enhances nitrogen uptake with dual sources, strengthening grass blades and supporting overall root health. By using NitroGreen, your lawn will be better equipped to withstand winter stresses and emerge vibrant in the spring.
If you are on our Wirri Annual Subscription, you want to apply this product around June 1st & July 15th.
Every Wirri pack is carefully curated to give your lawn exactly what it needs, when it needs it—no guesswork, no waste. Whether it’s bouncing back from summer, preparing for winter, or thriving through spring, each seasonal box is packed with professional-grade, planet-friendly products designed to deliver visible results.
Here’s what you’ll find inside:
Improve how water moves through your soil and boost its ability to hold onto moisture—helping your lawn stay hydrated longer and reducing unnecessary watering.
From quick-release nutrients for an instant lift to slow-release options that support long-term health, your lawn gets consistent, complete feeding all season.
Support chlorophyll production and fuel healthy growth with nutrients that bring out that rich, vibrant green every lawn lover craves.
Strengthen your lawn from the inside out with essential elements that build resilience against stress, disease, and seasonal change.
Encourage stronger root systems and stimulate beneficial microbial activity with soil conditioners that improve structure and unlock natural fertility.
In winter, you’re looking at
This season focuses on maintaining your lawn’s health and resilience against cold and frost. Our products will keep your lawn nourished and vibrant.
• Apply your Wirri Winter Soil Mix.
• Apply your NitroGreen Granular Fertiliser.
• Apply your GreenLift Liquid Enhancer.
• Apply your Wirri Winter Soil Mix.
• Apply your GreenLift Liquid Enhancer.
• Apply your NitroGreen Granular Fertiliser.
• Apply your Wirri Winter Soil Mix.
• Apply your GreenLift Liquid Enhancer.
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Wirri supports Trillion Trees Australia, the UN Sustainable Development Guide and Pledge 1% among other progressive initiatives.
Wirri acknowledges the Australian Aboriginal and Torres Strait Islander Peoples as the first inhabitants of this nation and the traditional custodians of the lands on which we live, work, and care for our environment. We recognize their continuing connection to land, water, and sky and pay our respects to Elders past, present, and emerging.