When to Plant Peanut in Ontario, CA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Ontario you can determine when it's a good idea to plant peanut by referring to the USDA zone info.


Planting Calendar for Peanut

Frost tolerance for peanut: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since peanut require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

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 Ontario 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 peanut and expect a good harvest is probably September. You probably don't want to wait any later than that or else your peanut may not have a chance to fully mature. Starting your peanut indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Ontario. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Ontario and it is different every year. Since half of the time in Ontario last frost occurs after January 31 be ready to protect your peanut in the event of one of those late frosts.

USDA Zone Info for Ontario

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 Ontario

You may be interested in your other planting guides for Ontario.