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.

In Sumner you can determine when it's a good idea to plant brussels sprouts by reviewing 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.

You can plant brussels sprouts just a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant brussels sprouts in Sumner 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. Starting your brussels sprouts indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on March 15 in Sumner. In the coldest months of winter you can expect an average low temperature of 15°F.

It's important to remember that USDA zone info for Sumner is just an average and the actual date of last frost is different every year. Half of the time in Sumner you get surprised by a frost after March 15 so make sure that you are prepared to protect your brussels sprouts in the event of one of those late frosts.

USDA Zone Info for Sumner

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sumner

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