In the Northern Hemisphere, grapefruits are commercialized at the beginning of winter and last until May or June thanks to their preservation in cold storage rooms. In order to analyze the availability of this citrus in the market as well as the main supplying countries, we take the example of the United Kingdom citrus market:
| ORIGIN AND VARIETY | MONTHS OF AVAILABILITY IN THE UNITED KINGDOM |
| ARGENTINA | |
| Marsh Seedless | April - September |
| Ruby Red | April - September |
| Star Red | April - September |
| CUBA | |
| Marsh Seedless | September - January |
| Ruby Red | Mid September - end February |
| CYPRUS | |
| Marsh Seedless | October - June |
| Rio Red | November - April |
| Star Ruby | October - June |
| EGYPT | |
| Marsh Seedless | November - April |
| GREECE | |
| various | November - May |
| HONDURAS | |
| Marsh Seedless | September - November |
| Ruby Red | September - November |
| ISRAEL | |
| Marsh Seedless | October - July |
| Pomelo white | November - May |
| Pomelo Red | October - December |
| Red Blush | October - November |
| Sunrise | October - July |
| Sweetie | October - February |
| ITALY | |
| White | October - December |
| MEXICO | |
| Red varieties | August - November |
| SOUTH AFRICA | |
| Marsh Seedless | Mid May - end October |
| Rosé | Mid May - September |
| Star Ruby | Mid May - September |
| SPAIN | |
| Marsh Seedless | Mid October - March |
| TURKEY | |
| Henderson | End October - July |
| Marsh Seedless | End October - July |
| Rio Red | End October - July |
| Ruby Red | End October - July |
| Star Ruby | Mid October - May |
| UNITED STATES | |
| Marsh Seedless | Beginning October - June |
| Ruby Red | Beginning October - June |
| URUGUAY | |
| Marsh Seedless | June - August |
| Star Ruby | June - August |
| ZIMBAWE | |
| Marsh Seedless | May - October |
| Rosé | May - October |
Source: Fresh Produce Desk Book 2001.
