One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Irmo it's a good idea to determine when it's possible to plant brussels sprouts.

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 do well in moderate cold which means that you can plant them earlier than more sensitive plants.

The earliest that you can plant brussels sprouts in Irmo 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 brussels sprouts and expect a good harvest is probably September. Any later than that and your brussels sprouts may not have a chance to fully mature. You can get started a little bit earlier by starting your brussels sprouts indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Irmo. In the coldest months of winter you can expect an average low temperature of 10°F.

Keep in mind that USDA zone info for Irmo is an average and the actual date of last frost will vary from year to year. Since half of the time in Irmo it frosts late in the year after March 15 be ready to cover your brussels sprouts if you have one of those late frosts.

USDA Zone Info for Irmo

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Irmo

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