Answer: hoars

AnswerCrossword Clue
HOARS

Coatings of frost

HOARS

Rimes

HOARS

Winter coats

HOARS
Rimefrosts
HOARS
Frosts
HOARSThey cover lots of ground
HOARSWintry coverings
HOARSIcy coatings
HOARSGrays with age.
HOARSRimy coatings
HOARSWhite coatings
HOARSWinter frosts
HOARSWinter coats?