Toughens up the grass to help it withstand harsh winter weather. Contains iron sulphate to control autumn moss. Apply using an EverGreen or Scotts spreader.Apply between early September and mid November. Apply when weather is fair, the soil moist and the grass dry and frost free.Suitable for lawns. EverGreen® Autumn Lawn Care can be used around trees in the lawn, but avoid contact with the foliage. Can be applied where bulbs are growing in the lawn, provided it is applied after all the bulb foliage has died down naturally.