Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In National City you can figure out when you can plant painted tongues by using the USDA zone info.

Planting Calendar for Painted Tongues

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

Since painted tongues do not do well in cold weather you must wait until after the last frost before you can plant them.

The earliest that you can plant painted tongues 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 painted tongues and expect a good harvest is probably September. If you wait any later than that and your painted tongues may not have a chance to grow to maturity. You can get started a little bit earlier by starting your painted tongues indoors.

Last Frost Date

The average date of last frost is January 31 in National City. You should expect an average low temperature of 35°F in the coldest months of winter.

It's important to remember that USDA zone info for National City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in National City there is a last frost after January 31 so make sure that you are prepared to cover your painted tongues if you have a surprise 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.