Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant melons in National City can be figured out by using the USDA zone info.

Planting Calendar for Melons

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

Since melons do not do well in cold weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant melons 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 melons and expect a good harvest is probably September. You probably don't want to wait any later than that or else your melons may not have a chance to really do well. You can get started a couple of weeks earlier by starting your melons indoors.

Last Frost Date

In National City the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

Keep in mind that USDA zone info for National City is 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 it frosts late in the year after January 31 so make sure that you are prepared to protect your melons in the event of 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.