One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

By checking out the USDA zone info for Millbrae it's a good idea to figure out when it's a good idea to plant guara.

Planting Calendar for Guara

Frost tolerance for guara:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant guara until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant guara in Millbrae 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. You probably don't want to wait any later than that or else your guara may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your guara indoors.

Last Frost Date

In Millbrae the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Millbrae is not always accurate the actual date of last frost changes from year to year. Since half of the time in Millbrae you get a frost after January 31 be ready to protect your guara in the event of one of those late frosts.

USDA Zone Info for Millbrae

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 Millbrae

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