Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant cantaloupes in Napa can be estimated by using the USDA zone info.

Planting Calendar for Cantaloupes

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

Cantaloupes require warm weather which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant cantaloupes in Napa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant cantaloupes and expect a good harvest is probably September. Any later than that and your cantaloupes may not have a chance to grow to maturity. If you are starting your cantaloupes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Napa. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Napa is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Napa it frosts late in the year after February 15 be ready to protect your cantaloupes if you have a late frost.

USDA Zone Info for Napa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Napa

You may be interested in your other planting guides for Napa.