The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant brussels sprouts in Westminster should be determined by checking out 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 do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant brussels sprouts in Westminster 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. You probably don't want to wait any later than that or else 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

The average date of last frost is January 31 in Westminster. In the coldest months of winter you can expect an average low temperature of 35°F.

Keep in mind that USDA zone info for Westminster may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Westminster it frosts late in the year after January 31 so make sure that you are prepared to cover your brussels sprouts if you have a surprise late frost.

USDA Zone Info for Westminster

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Westminster

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