Not long ago, a homeowner posted a photo on Reddit of a perplexing lawn problem — clumps of growth, different from the rest of the turf grass, popping up and leaving a dead patch of the regular turf ...

When a hot, rainless fortnight turns most lawns the colour of straw, the patches that stay green are almost always tall fescue. It is the most drought-tolerant of the cool-season grasses, and the ...