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.

The first opportunity to plant transvaal daisy in National City should be estimated by using the USDA zone info.

Planting Calendar for Transvaal Daisy

Frost tolerance for transvaal daisy:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since transvaal daisy do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant transvaal daisy 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 transvaal daisy and expect a good harvest is probably September. You probably don't want to wait any later than that or else your transvaal daisy may not have a chance to grow to maturity. If you are starting your transvaal daisy indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for National City is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in National City there is a last frost after January 31 be ready to cover your transvaal daisy 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.