The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant chard in National City by reviewing the USDA zone info.

Planting Calendar for Chard

Frost tolerance for chard:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant chard a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant chard in National City 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 chard and expect a good harvest is probably October. Any later than that and your chard may not have a chance to fully mature. You can get started a little bit earlier by starting your chard indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in National City. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for National City and it is different every year. Half of the time in National City it frosts late in the year after January 31 so just be sure to be ready to cover your chard if you have a late frost.

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.