primo herbicide Primo HG 500ml | Turf Growth Regulator Herbicide

primo herbicide Primo HG 500ml | Turf Growth Regulator HerbicideSlow Growth, Build Roots, Stress Proof Your Turf Primo HG is the industry standard plant growth regulator trusted by turf professionals across Australia. By inhibiting gibberellic acid the hormone responsible for vertical shoot growth Primo HG redirects the plant's energy downward into roots, stolons, rhizomes and tillers. The result is a denser, stronger, more stress tolerant turf that requires less mowing and performs better under heat, wear and

Slow Growth, Build Roots, Stress-Proof Your Turf

Primo HG is the industry-standard plant growth regulator trusted by turf professionals across Australia. By inhibiting gibberellic acid — the hormone responsible for vertical shoot growth — Primo HG redirects the plant's energy downward into roots, stolons, rhizomes and tillers. The result is a denser, stronger, more stress-tolerant turf that requires less mowing and performs better under heat, wear and disease pressure.

A must-have tool for pre-conditioning turf ahead of summer stress, or for maintaining premium presentation on sports fields and fine turf areas.

Key Benefits

• ✂️ Reduces mowing frequency — slows vertical shoot growth significantly
• 🌱 Builds stronger roots — redirects energy to lateral and below-ground growth
• ☀️ Improves heat stress tolerance — pre-condition turf before summer
• 🛡️ Enhances disease and pest resistance — denser turf is harder to penetrate
• 🏆 Improves turf quality and presentation — denser, finer, more uniform surface
• 📊 Flexible application rates — adjust for maintenance or stress pre-conditioning

Specifications

• Pack size: 500 ml
• Application rate: 10–80 ml per 100m²
• Active constituent: Trinexapac-ethyl
• Use: Reduction of leaf and stem growth; turf management aid