When to Plant Melons in La Mesa, CA

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 La Mesa you can determine when to plant melons by checking out 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.

Melons are not cold tolerant which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant melons
Possibly ok, but a risky time to plant melons
Probably not a good time to plant melons

The earliest that you can plant melons in La Mesa 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. If you wait any later than that and 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 La Mesa the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for La Mesa and it can change quite a bit from year to year. Half of the time in La Mesa there is a last frost after January 31 so make sure that you are ready to protect your melons in the event of one of those late frosts.

USDA Zone Info for La Mesa

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 Low30°F
Highest Expected Low35°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 La Mesa

You may be interested in your other planting guides for La Mesa.