The white cast to grass cut with a dull blade comes from the grass leaves ... spots and a soil/root sample can be taken to the local Cooperative Extension office for a look. Here's what to know ...

leaves may develop brown spots with a yellow ‘halo’ – a type of disease that can be caused by overwatering. As you might expect, the remedy for overwatering is simple – step away from the ...

The latter of these is more likely to result in brown spots. They appear as cottony white colonies on the leaves and stems of the plant and, as the tiny insects feed on the sap, they leave yellow ...