When to Plant Peanut in San Jose, CA

Before planting it is a good idea to find your USDA Zone info to determine 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 peanut in San Jose should be figured out by checking out the USDA zone info.


Planting Calendar for Peanut

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

You should not plant peanut until after all chance of frost has passed because they require warm weather.

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

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

Last Frost Date

In San Jose the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Jose and it changes from year to year. Half of the time in San Jose you get a frost after February 15 so always be ready to cover your peanut if you have a late frost.

USDA Zone Info for San Jose

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 Low25°F
Highest Expected Low30°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 Jose

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