One of the first steps you take when you are making a decision about 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.

The best time to plant aurinia in San Mateo can be determined by checking out the USDA zone info.

Planting Calendar for Aurinia

Frost tolerance for aurinia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since aurinia are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant aurinia in San Mateo 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 aurinia and expect a good harvest is probably October. You probably don't want to wait any later than that or else your aurinia may not have a chance to really do well. If you are starting your aurinia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for San Mateo may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in San Mateo you get a frost after January 31 so make sure that you are prepared to cover your aurinia if you have a late frost.

USDA Zone Info for San Mateo

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 Mateo

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