The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant cauliflower in Hartselle should be figured out by reviewing the USDA zone info.

Planting Calendar for Cauliflower

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

Cauliflower do well in a little bit of cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

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

The last month that you can plant cauliflower and expect a good harvest is probably September. Any later than that and your cauliflower may not have a chance to fully mature. You can get started a few weeks earlier by starting your cauliflower indoors.

Last Frost Date

In Hartselle the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Keep in mind that USDA zone info for Hartselle is just an average and the actual date of last frost is different every year. Since half of the time in Hartselle you get surprised by a frost after April 15 be ready to cover your cauliflower in the event of a late frost.

USDA Zone Info for Hartselle

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Hartselle

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