When to Plant Sweet corn in La Puente, 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.

It's a good idea to determine when it's the best time to plant sweet corn by referring to the USDA zone info for La Puente.


Planting Calendar for Sweet corn

Frost tolerance for sweet corn: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Sweet corn do ok in moderate cold which means that you can plant them slightly earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant sweet corn in La Puente 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 sweet corn and expect a good harvest is probably September. If you wait any later than that and your sweet corn may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet corn indoors.

Last Frost Date

The average date of last frost is January 31 in La Puente. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for La Puente is an average the actual date of last frost will vary from year to year. Half of the time in La Puente last frost occurs after January 31 so make sure that you are ready to protect your sweet corn if you have one of those late frosts.

USDA Zone Info for La Puente

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 Puente

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