kitchen garden

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A garden in which vegetables, fruits, and herbs are grown for household consumption.

from The Century Dictionary.

• noun A garden or piece of ground appropriated to the raising of vegetables for the table.
• noun A kindergarten in which kitchen-work is taught.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A garden used for growing fruit, vegetables and/or herbs for use in the kitchen.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a small garden where vegetables are grown