One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for San Mateo should be read to determine when you can plant guara.

Planting Calendar for Guara

Frost tolerance for guara:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since guara do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant guara in San Mateo 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 guara and expect a good harvest is probably September. If you wait any later than that and your guara may not have a chance to fully mature. If you are starting your guara indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for San Mateo is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in San Mateo it frosts late in the year after January 31 so just be sure to be ready to protect your guara in the event of a surprise 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.