One of the first steps you take when you are determining 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 best time to plant gypsophila in National City can be estimated by checking out the USDA zone info.

Planting Calendar for Gypsophila

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

Since gypsophila are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant gypsophila 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 gypsophila and expect a good harvest is probably October. If you wait any later than that and your gypsophila may not have a chance to fully mature. Starting your gypsophila indoors is a great way to get them started a little bit earlier.

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.

Since the USDA zone info for National City may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in National City you get a frost after January 31 be ready to cover your gypsophila 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.