From Longman Dictionary of Contemporary Englishkitchen gardenˌkitchen ˈgarden noun [countable] British English DLGa part of a garden where you grow your own fruit and vegetables SYN vegetable patch/plot
Examples from the Corpus
kitchen garden• He almost laughs when he sees what it really is - a small lawn, with a rockery and kitchen garden beyond.• I got on with my kitchen garden.• The food is freshly cooked using produce from the kitchen garden and local produce as much as possible.• Rotary cultivators are ideal in the kitchen garden for digging and preparing seed beds quickly, particularly on difficult soils.• Man and boy went off together in the direction of the kitchen garden.• It was then time to dig over the kitchen garden, although we now had help. 