One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when to plant myosotis by reviewing the USDA zone info for National City.

Planting Calendar for Myosotis

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

Myosotis do well in moderate cold which tells us that you can plant them a little bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant myosotis 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 myosotis and expect a good harvest is probably October. If you wait any later than that and your myosotis may not have a chance to fully mature. You can get started a few weeks earlier by starting your myosotis 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 may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in National City last frost occurs after January 31 so be sure to be ready to protect your myosotis 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.