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

By checking out the USDA zone info for Romulus it's a good idea to estimate when it's the best time 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.

You can plant brussels sprouts just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant brussels sprouts in Romulus 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. If you wait any later than that and your brussels sprouts may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your brussels sprouts indoors.

Last Frost Date

The average date of last frost is April 15 in Romulus. It might get as low as -10°F during the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Romulus and it can change quite a bit from year to year. Since half of the time in Romulus it frosts late in the year after April 15 be ready to cover your brussels sprouts in the event of one of those late frosts.

USDA Zone Info for Romulus

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 Romulus

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