One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In San Pablo you can determine when you can plant balsam by using the USDA zone info.

Planting Calendar for Balsam

Frost tolerance for balsam:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant balsam until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant balsam in San Pablo 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 balsam and expect a good harvest is probably September. Any later than that and your balsam may not have a chance to really do well. Starting your balsam indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Remember that USDA zone info for San Pablo is just an average and the actual date of last frost will vary from year to year. Half of the time in San Pablo it frosts late in the year after January 31 so just be sure to be ready to cover your balsam in the event of one of those late frosts.

USDA Zone Info for San Pablo

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 Pablo

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