The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when you can plant brachycome in National City by checking out the USDA zone info.

Planting Calendar for Brachycome

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

It's a bad idea to plant brachycome until after the last frost has passed because they require warm weather.

The earliest that you can plant brachycome 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 brachycome and expect a good harvest is probably September. You probably don't want to wait any later than that or else your brachycome may not have a chance to grow to maturity. Starting your brachycome indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in National City. In the coldest months of winter you should expect an average low temperature of 35°F.

Just be sure to remember that USDA zone info for National City is just 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 you get a frost after January 31 so always be ready to protect your brachycome if you have one of those late frosts.

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.