Controlling and Treating Lawn Algae: Essential Tips

Dealing with lawn algae can be a headache for any homeowner striving for a flawless yard. Not only does it mar the visual appeal, but it also hints at underlying issues with the lawn’s health. To combat this nuisance effectively, TurfBreed’s Turf Manager, Nathan Tovey, shares expert advice on preventing and managing lawn algae. Here are the top five tips to keep algae at bay:

1. Prioritise Proper Lawn Maintenance

“Maintaining your lawn properly is key to preventing algae growth.”

This involves regular tasks like mowing, watering, and fertilising. Maintaining grass at the appropriate height—usually between 1.5 to 4 cm—discourages algae by promoting healthy turf density. Deep, infrequent watering encourages robust root growth, making the grass more resilient against algae intrusion.

2. Address Drainage Issues

“Effective drainage management is vital for algae prevention.”

Poor drainage leads to water accumulation, creating an ideal habitat for algae. Aerating the soil and ensuring proper grading can alleviate drainage problems. Incorporating organic matter into the soil enhances its structure, facilitating water absorption and reducing runoff.

3. Reduce Shade and Enhance Air Circulation

“Lawn algae thrives in shaded, moist environments.”

Trimming overhanging branches and strategically pruning shrubs can increase sunlight exposure, hindering algae growth. Improving air circulation by thinning dense foliage and preventing plant overcrowding discourages moisture buildup, further thwarting algae infestation.

4. Maintain Nutrient Balance

“Balanced nutrient levels are crucial for a healthy lawn.”

Excessive nitrogen, phosphorus, or potassium can fuel algae growth. Conduct soil tests to identify nutrient imbalances, allowing targeted fertilisation. Opt for slow-release fertilisers and adhere to recommended application rates to prevent overfeeding, which can exacerbate algae problems.

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Any questions, please call the professionals at All Year Rond Turf on 1300 887 348 .