Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when you can plant cauliflower is to check out the USDA zone info for Anchorage.

Planting Calendar for Cauliflower

Frost tolerance for cauliflower:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since cauliflower are moderately cold tolerant you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant cauliflower in Anchorage is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant cauliflower and expect a good harvest is probably August. If you wait any later than that and your cauliflower may not have a chance to grow to maturity. You can get started a little bit earlier by starting your cauliflower indoors.

Last Frost Date

In Anchorage the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Anchorage is not always accurate the actual date of last frost changes from year to year. Half of the time in Anchorage it frosts late in the year after May 15 so be sure to be ready to cover your cauliflower if you have one of those late frosts.

USDA Zone Info for Anchorage

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Anchorage

You may be interested in your other planting guides for Anchorage.