The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Richland you should be able to estimate when it's a good idea 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 can survive in some 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 Richland 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 really do well. You can get started a couple of weeks earlier by starting your brussels sprouts indoors.

Last Frost Date

In Richland the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Richland is an average the actual date of last frost will vary from year to year. Since half of the time in Richland it frosts late in the year after April 15 be ready to protect your brussels sprouts in the event of one of those late frosts.

USDA Zone Info for Richland

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Richland

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