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.

In San Marino you can figure out when to plant cantaloupes by using the USDA zone info.

Planting Calendar for Cantaloupes

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

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

The earliest that you can plant cantaloupes in San Marino 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 cantaloupes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your cantaloupes may not have a chance to really do well. If you are starting your cantaloupes indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In San Marino the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for San Marino is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in San Marino last frost occurs after January 31 be ready to cover your cantaloupes if you have one of those late frosts.

USDA Zone Info for San Marino

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Marino

You may be interested in your other planting guides for San Marino.