What are the best ways of getting rid of moss from our lawn? I have previously used Sulphate of Iron, but the moss still returns each year. 

• Tui Moss Control for Lawns or Sulphate of Iron is the best solution for moss in lawns. Apply 15g (approx. 1 tablespoon) per square metre of lawn, either directly or dissolved in a watering can (1L for every 15g). Water in well after application.
• Tui Lawn Fertiliser also contains Sulphate of Iron so feeds lawns and control moss at the same time.
• Once the moss turns black rake it out after about a week, over-sow the area using Tui Lawn Preparation mix and lawn seed to match the existing lawn.
• The moss will keep coming back if you don’t change the reason for it being in your lawn which can include poor drainage, heavy clay soils, shaded side of the house or trees shading the lawn.
• To improve drainage aerate your lawn by spiking it to open up the soil, spikes can be strapped onto shoes, and are available in garden centres or hardware stores.
• Apply gypsum if the soil is heavy clay soil to break down the clay and loosen the soil particles, this process takes time but is effective.
• If possible, cut back the trees to provide more sun or put in some coil drainage to draw water away from the area.
• There isn’t much you can do if the lawn is on the south side of the house, you could consider paving that area if the moss is a real problem.

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