Traditional grass lawns require special care measures during dry weather. When deprived of water, lawn grasses may stop growing and start to brown, especially once the top 10cm (4in) of soil dries out.
Ornamental lawns of fine bent-type grasses are most likely to suffer. General garden lawns containing fescue grasses may have more resistance.
A well-maintained lawn usually recovers rapidly with the onset of autumn rainfall, especially if appropriate autumn lawn care is given.
However, in extended periods of drought, or where the lawn is not well maintained, lawn grasses can become weakened and their roots deteriorate. If the grass becomes sparse, weeds and moss easily establish with the onset of autumn rains. Remedial action may be necessary.
As summers become hotter and drier, as predicted, the issue of caring for lawns in drought will become more problematic, as water will be too scarce for lawns to be watered.