Primo HG Turf Growth Regulator 500mL

Primo® HG Turf Growth Regulator is Australia’s first turf growth regulator registered for home lawn use, bringing professional turf management technology into residential settings. Designed specifically for homeowners, Primo HG helps create greener, denser, and more resilient lawns while significantly reducing mowing frequency and ongoing maintenance.

By slowing vertical leaf growth and encouraging stronger root development, Primo HG improves turf density, colour, and stress tolerance. The result is a healthier, more uniform lawn that stays neat and vibrant for weeks, even during Australia’s hot and dry summer conditions.

Key Features & Benefits of Primo HG Turf Growth Regulator

• First turf growth regulator approved for home use in Australia – Professional results, now available for home lawns.
• Greener, denser, and healthier turf – Promotes finer leaf texture and enhanced turf quality and colour with finer, denser growth
• Reduces mowing and clippings – Slows leaf growth for up to 4 weeks, meaning less mowing and cleaner lawn surfaces. It also means reduced clipping removal and less potential for scalping
• Pre-conditions turf for stress – Helps lawns withstand heat, drought, and wear during summer. Better heat stress tolerance, less wear and tear, and reduced watering needs
• Enhances root growth – Redirects plant energy below ground, promoting stronger, deeper, more efficient root systems. This improves the ability of your turf to utilise available water and nutrients
• Convenient and easy to use – Available in a 500 mL twin-chamber pack for precise application.

How Primo® HG Works

Primo HG is absorbed through the turf leaf, where it temporarily regulates plant growth by reducing the elongation of stems, stolons, and leaves. This results in shorter, more compact turf growth without negatively affecting root development.

By limiting excessive top growth, the plant redirects energy into root growth and carbohydrate storage. This improves water efficiency, nutrient uptake, and overall turf health, leading to a lawn that is more resilient and slower growing.

Because Primo HG is absorbed through foliage and not through roots, achieving good foliar coverage during application is essential for optimal performance. The strength of growth regulation can be adjusted depending on turf type, seasonal conditions, and lawn health

Primo HG Is Safe For The Following Turf Species

Warm-season grasses:
Bahia Grass, Buffalo Grass, Carpet Grass, Common Couch, Couch hybrids and varieties, Kikuyu.

Cool-season grasses:
Bent Grass, Fescue, Perennial Ryegrass.

Where to Use Primo® HG Turf Growth Regulator

Primo HG is designed specifically for residential turf areas where improved lawn quality and reduced maintenance are desired. It is ideal for use on:

• Home lawns and residential gardens
• Front and back yards
• Nature strips and verge lawns
• Lawns around homes, townhouses, and residential complexes
• High-use household lawn areas where mowing frequency needs to be reduced

Primo HG is suitable for both warm- and cool-season turf species commonly used in Australian home lawns and can be applied throughout the growing season when turf is actively growing.

It is not intended for use on commercial turf surfaces such as golf courses, sports fields, or turf farms, ensuring it remains specifically tailored for safe and effective home lawn management.