One of the first steps you take when you are getting a good idea 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.

It's possible to determine when to plant monkey flower by reviewing the USDA zone info for National City.

Planting Calendar for Monkey Flower

Frost tolerance for monkey flower:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant monkey flower until after the last frost because they require warm weather.

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

Last Frost Date

The average date of last frost is 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 is just an average the actual date of last frost changes from year to year. Half of the time in National City it frosts late in the year after January 31 so be sure to be ready to protect your monkey flower in the event of 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.