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

The best time to plant brussels sprouts in San Dimas can be determined 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.

Since brussels sprouts do well in moderate cold you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant brussels sprouts in San Dimas 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. 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

The average date of last frost is January 31 in San Dimas. In the coldest months of winter you should expect an average low temperature of 30°F.

Remember that USDA zone info for San Dimas is just an average and the actual date of last frost is different every year. Half of the time in San Dimas there is a last frost after January 31 so make sure that you are prepared to protect your brussels sprouts in the event of a surprise late frost.

USDA Zone Info for San Dimas

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Dimas

You may be interested in your other planting guides for San Dimas.