Six Iron Professional Fertiliser 20kg – Lawn Fertiliser

NZLA Six Iron Professional Fertiliser – Cost-Effective Bulk Turf Fertiliser for New Zealand Lawns

Looking for a premium fertiliser in New Zealand that won’t break the bank?

NZLA Six Iron is a professional-grade, controlled-release fertiliser developed for the global turf industry and now available to Kiwi homeowners. Imported in bulk by NZLA, Six Iron delivers the same advanced technology as All Seasons and All Seasons N+, but at a sharper price point, making it an excellent option for larger lawns and trade customers.

NPK Analysis: 20-0-16 + 6% Iron

Application rate: 2.5kg per 100m² (250kg/ha)

Longevity: Predictable release for up to 10 weeks

Best for: Broadacre lawns, sports fields, parks, golf courses, and trade applications

Why choose Six Iron Fertiliser?

Six Iron is mass-produced by Wilbur-Ellis for the global turf industry, meaning it comes without the added costs of a custom blend. By importing this fertiliser in bulk, NZLA can pass on cost savings to Kiwi customers while still providing genuine professional turf-grade performance.

• Controlled-release nitrogen powered by Wil-Cote polymer-coated urea technology
• 60% of nitrogen in slow-release form for steady, uniform growth
• 6% iron for quick greening without a growth surge
• 16% potassium for improved drought tolerance and cold resistance
• Consistent performance for 8–10 weeks of colour and strength

How it compares to other fertilisers

While many budget fertilisers in New Zealand cut corners with cheap coatings or agricultural-grade formulations, Six Iron is engineered for professional turf on a global scale. It’s the same high-quality technology used on golf courses and sports fields worldwide, now made affordable for Kiwi lawns through NZLA bulk importing.

Perfect for large lawns and trade customers

Six Iron is designed for:

• Large residential sections where value is key
• Sports fields and golf courses needing consistent colour and performance
• Trade landscapers and turf managers looking for bulk supply options
• Homeowners wanting professional turf results at scale

Backed by New Zealand’s largest lawn care community

When you buy Six Iron, you’re supported by over 20,000 members in the NZ Lawn Addicts community. Whether you’re managing a large property or just want to save on fertiliser costs, you’ll find advice, results, and support from other passionate lawn owners and professionals.

Expert tip for best results

Apply Six Iron evenly at 2.5kg per 100m², ensuring good soil moisture to activate the slow-release nitrogen. Its high potassium content makes it ideal for strengthening turf before summer droughts or winter stress.

Bulk and trade pricing available

Because NZLA imports Six Iron in large volumes, we can offer competitive pricing for 250kg, 500kg, and 1000kg orders. Contact us directly for trade rates or bulk supply.

Imported directly from the USA

Manufactured by Wilbur-Ellis (USA), Six Iron is a professional turf fertiliser trusted worldwide. With NZLA importing in bulk for the New Zealand market, you get the best balance of performance and value.