Most Dutch flower-bulbs do need an cold period to perform the best. In the Northern and Midwest part of the United States this is normal. In the Southern part of the USA, You can help mother nature to create an winter environment by storing fall bulbs in a refrigerator or a cold basement, where the temperature remain between 35 and 46 degrees Fahrenheit
until Thanksgiving day, Please don’t let your bulb freez.
If you do live in the Southern part of the United States we can do the pre-cooling for your bulbs at our warehouse in the U.S.A. with shipping after Thanksgiving day.