Not covered with, or containing peat; (now especially, of compost or other gardening products) made without the use of peat so as to conserve peatbogs.
Origin
Early 20th century; earliest use found in Geographical Journal.
Definition of peat-free in US English:
peat-free
adjective
Not covered with, or containing peat; (now especially, of compost or other gardening products) made without the use of peat so as to conserve peatbogs.
Origin
Early 20th century; earliest use found in Geographical Journal.