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 opportunity to plant melons in San Bernardino can be estimated by referring to the USDA zone info.

Planting Calendar for Melons

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

It's not a good idea to plant melons until after the last frost because they require warm weather.

The earliest that you can plant melons in San Bernardino 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 melons and expect a good harvest is probably September. If you wait any later than that and your melons may not have a chance to grow to maturity. You can get started a little bit earlier by starting your melons indoors.

Last Frost Date

On average the last frost is on February 15 in San Bernardino. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for San Bernardino and it can change quite a bit from year to year. Half of the time in San Bernardino last frost occurs after February 15 so make sure that you are prepared to cover your melons in the event of a surprise late frost.

USDA Zone Info for San Bernardino

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 San Bernardino

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