The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for National City it's possible 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 all chance of frost has passed.

Since guara do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant guara in National City 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 grow to maturity. You can get started a few weeks earlier by starting your guara indoors.

Last Frost Date

On average the last frost has passed is on January 31 in National City. In the coldest months of winter you can expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for National City is not always accurate and the actual date of last frost will vary from year to year. Half of the time in National City you get surprised by a frost after January 31 so just be sure to be ready to protect your guara if you have one of those late frosts.

USDA Zone Info for National City

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in National City

You may be interested in your other planting guides for National City.