When to Plant Cauliflower in Flat Rock, MI

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.

By looking at the USDA zone info for Flat Rock it's possible to figure out when it's the best time to plant cauliflower.


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 other frost tender 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 Flat Rock 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. You probably don't want to wait any later than that or else 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

On average the last frost when the weather gets warmer is on April 15 in Flat Rock. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Flat Rock is just an average and the actual date of last frost changes from year to year. Half of the time in Flat Rock it frosts late in the year after April 15 so make sure that you are ready to cover your cauliflower in the event of a late frost.

USDA Zone Info for Flat Rock

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°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 0°F.

Plants to Grow in Flat Rock

You may be interested in your other planting guides for Flat Rock.