How do you slow down grass growth?

1. Raise Cutting Height: Cutting grass higher leaves more leaf surface area, which leads to reduced growth due to less stress.

2. Reduce Nitrogen Fertilizer Use: Nitrogen promotes leaf growth, so less nitrogen leads to slower grass growth.

3. Use Slow-Release Fertilizers: These release nutrients gradually, preventing an oversupply and potential grass growth boosts.

4. Limit Watering: Overwatering stimulates rapid grass growth. Water only when needed, about 1 inch per week.

5. Choose Slow-Growing Grass Varieties: Some grass species, like fescue and zoysia, have slower natural growth rates.

6. Apply Plant Growth Regulators: Chemical treatments can slow grass growth while maintaining its health.

7. Aerate Lawn Regularly: Aeration improves soil structure and root development, allowing for better water and nutrient uptake, potentially reducing the need for excessive growth.

8. Use Mulching Mower: Mulching recycles grass clippings, adding nutrients to the soil, reducing the need for heavy feeding and excessive growth.

9. Solarization: In hot climates, covering a lawn with a clear plastic sheet allows heat buildup and can stunt grass growth.

10. Drought Tolerance: Encourage grasses to develop deeper root systems by allowing periods of drought.

Remember that the ultimate growth rate depends on grass type, climate, soil conditions, and care practices. Striking the right balance between controlled growth and healthy lawn maintenance is key.