Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when it's possible to plant brussels sprouts is to refer to the USDA zone info for Safety Harbor.

Planting Calendar for Brussels Sprouts

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

Brussels Sprouts can survive in mild cold which tells us that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant brussels sprouts in Safety Harbor is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant brussels sprouts and expect a good harvest is probably October. If you wait any later than that and your brussels sprouts may not have a chance to grow to maturity. If you are starting your brussels sprouts indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Safety Harbor. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Safety Harbor is not always accurate the actual date of last frost will vary from year to year. Half of the time in Safety Harbor it frosts late in the year after January 31 so be sure to be ready to cover your brussels sprouts if you have one of those late frosts.

USDA Zone Info for Safety Harbor

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Safety Harbor

You may be interested in your other planting guides for Safety Harbor.