Selective Weed Control on Fairways: Balancing Performance, Playability, and Responsibility

Tuesday, 14 April 2026
Mark De Ath outlines modern fairway weed control, combining precise herbicide use, timing, and integrated turf management for sustainable, high-quality playing surfaces.


Selective Weed Control on Fairways: Balancing Performance, Playability, and Responsibility

 

By Mark De Ath PPP Team Leader – Origin Amenity Solutions Limited

Selective weed control on fairways remains one of the most nuanced challenges in modern turf management. Expectations from golfers continue to rise—clean, consistent lies and uniform surfaces—yet this must now be delivered within tighter regulatory frameworks, environmental scrutiny, and budget constraints.

So how should turf managers approach selective weed control in 2026?

The Changing Role of Herbicides

Selective herbicides still play a vital role in fairway presentation, but their use is no longer a simple “spray and solve” exercise.

A number of long-established active ingredients have either been withdrawn or face increased restriction, meaning product choice is narrower and stewardship expectations are higher. At the same time, golfer tolerance for visible weeds—particularly species like plantain, clover, and daisy—remains low on many courses.

The result is a shift toward:

  • Tank – mixing of products to ensure broad- spectrum weed control
  • Integration with cultural controls
  • Greater emphasis on timing and accuracy

Understanding the Key Fairway Weeds

Effective control begins with accurate identification and understanding of weed biology.

Timing is Everything

One of the most common reasons for poor weed control is incorrect timing.

 

Key Principles:

Spring (April–June):
 Ideal for controlling actively growing weeds when translocation is strong.

Early Autumn (September):
 Often the most effective window—warm soils, active growth, and less stress on turf.

Avoid stress periods:
 Drought, heat, or cold conditions significantly reduce efficacy and can increase turf damage risk.

In practice, two well-timed applications per year will outperform poorly timed sprays.

Product Selection and Application Strategy

Modern selective herbicides typically combine several active ingredients to broaden the weed spectrum and improve efficacy.  For example new last year, we brought to the market in conjunction with Corteva – Grandstand with a brand-new active ingredient – Arylex combined with the proven herbicide Florasulam.  This can be tank mixed with Darby (2,4-D amine) to increase the weed control spectrum

What to Consider:

Weed spectrum: Ensure the product matches your dominant species

Turf safety: Particularly important on finer fairways or mixed swards

Water volume: Adequate coverage is critical—typically 200–400 L/ha

Application accuracy: Boom height, nozzle choice, and calibration all matter

The Role of Cultural Controls

Herbicides alone are not a long-term solution. In many cases, weed ingress is a symptom of underlying turf weakness.

Key cultural practices include:

  • Aeration:
     Reduces compaction, particularly important for plantain control
  • Nutrition:
     Balanced fertility discourages clover and promotes grass dominance
  • Overseeding:
     Fills gaps and increases sward density
  • Mowing practices:
     Maintaining appropriate height of cut supports competitive grass growth

A dense, healthy sward is the most effective “herbicide” available.

 

Integrated Turf Management (ITM): The Future Approach

The industry is increasingly moving toward an Integrated Turf Management (ITM) model, where chemical control is just one component of a broader strategy.

This includes:

  • Monitoring and threshold-based decision making
  • Use of bio-stimulants to improve turf resilience
  • Soil moisture and stress management, such as using wetting agents like  Tricure AD
  • Data-led planning using weather and growth models

Rather than reacting to weeds, the focus shifts to preventing conditions that allow them to establish.

Environmental and Regulatory Considerations

Public perception and regulatory pressure are shaping how herbicides are used on golf courses.

Turf managers should ensure:

  • Accurate record keeping
  • Adherence to label recommendations
  • Minimising drift and run-off
  • Clear communication with stakeholders

Demonstrating responsible use is now just as important as achieving results.

Practical Takeaways

For effective selective weed control on fairways:

  • ✔ Focus on timing over frequency
  • ✔ Match product choice to weed spectrum
  • ✔ Maintain application accuracy and coverage
  • ✔ Invest in cultural practices to strengthen the sward
  • ✔ Adopt an integrated, preventative approach

Final Thoughts

Selective weed control is no longer just about removing weeds—it’s about managing turf systems under increasing pressure.

Those who achieve the best results in 2026 and beyond will be the turf managers who combine:

  • Technical knowledge
  • Precise application
  • Strong agronomy fundamentals backed up by advice from technical resources available from leading companies such Origin Amenity Solutions

Ultimately, the goal is simple: clean, consistent, and resilient fairways—delivered sustainably.