One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant dahlberg daisy in National City by looking at the USDA zone info.

Planting Calendar for Dahlberg Daisy

Frost tolerance for dahlberg daisy:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since dahlberg daisy are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant dahlberg 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 dahlberg daisy and expect a good harvest is probably September. If you wait any later than that and your dahlberg daisy may not have a chance to really do well. Starting your dahlberg daisy indoors is a great way to get them started a few weeks earlier.

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.

Since the USDA zone info for National City is just an average the actual date of last frost changes from year to year. Half of the time in National City you get surprised by a frost after January 31 so make sure that you are prepared to cover your dahlberg daisy in the event of 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.