Answer: mulched

AnswerCrossword Clue
MULCHEDCovered with peat moss, say
MULCHEDCovered with compost
MULCHEDProtected the plants
MULCHEDLike many gardens
MULCHEDCreated compost
mulchedloose covering of leaves, straw, etc., on plants
mulchedMULCH, to provide with a protective covering for the soil
mulchedto surround with mulch