One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The earliest that you can plant flowering maple in National City should be estimated by reviewing the USDA zone info.

Planting Calendar for Flowering Maple

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

Since flowering maple are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant flowering maple 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 flowering maple and expect a good harvest is probably September. Any later than that and your flowering maple may not have a chance to really do well. If you are starting your flowering maple indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in National City. It might get as low as 35°F during the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for National City and it will vary from year to year. Since half of the time in National City there is a last frost after January 31 be ready to protect your flowering maple 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.