One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Inver Grove Heights should be reviewed to determine when you can plant cauliflower.

Planting Calendar for Cauliflower

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

You can plant cauliflower just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant cauliflower in Inver Grove Heights 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. You probably don't want to wait any later than that or else 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

The average date of last frost is May 15 in Inver Grove Heights. In the coldest months of winter you should expect an average low temperature of -25°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Inver Grove Heights and it will vary from year to year. Since half of the time in Inver Grove Heights it frosts late in the year after May 15 be ready to protect your cauliflower in the event of a late frost.

USDA Zone Info for Inver Grove Heights

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 Inver Grove Heights

You may be interested in your other planting guides for Inver Grove Heights.