When to Plant Cauliflower in Vandalia, IL

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.

A common way of getting a good idea when it's possible to plant cauliflower is to look at the USDA zone info for Vandalia.

Create beautiful hand-made plants at forever-plants.com

Planting Calendar for Cauliflower

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

Cauliflower are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant cauliflower
Possibly ok, but a risky time to plant cauliflower
Probably not a good time to plant cauliflower

The earliest that you can plant cauliflower in Vandalia 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. If you wait any later than that and your cauliflower may not have a chance to really do well. If you are starting your cauliflower indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Vandalia the average date of last frost happens on April 15. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Vandalia is an average and the actual date of last frost changes from year to year. Half of the time in Vandalia last frost occurs after April 15 so make sure that you are prepared to protect your cauliflower if you have a late frost.

USDA Zone Info for Vandalia

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Vandalia

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