When to Mulch Garlic for Winter, and When to Pull It Back
A good layer of mulch keeps garlic from heaving out of the soil and holds down spring weeds. The trick is putting it on late enough and easing it off in time.
Tag: frost heave
When to Apply Winter Mulch: Calendar by USDA Zone
Winter mulch isn't there to keep soil warm. It keeps frozen ground frozen, which is why putting it down too early can backfire.