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.

The best time to plant brussels sprouts in Superior can be estimated by referring to the USDA zone info.

Planting Calendar for Brussels Sprouts

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

Since brussels sprouts are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant brussels sprouts in Superior 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 brussels sprouts and expect a good harvest is probably August. Any later than that and your brussels sprouts may not have a chance to really do well. Starting your brussels sprouts indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Superior the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Superior is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Superior last frost occurs after May 15 so be sure to be ready to protect your brussels sprouts if you have one of those late frosts.

USDA Zone Info for Superior

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 Superior

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