One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant peanut in Atherton can be figured out by looking at the USDA zone info.

Planting Calendar for Peanut

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

Since peanut are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant peanut in Atherton 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. You probably don't want to wait any later than that or else your peanut may not have a chance to grow to maturity. Starting your peanut indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Atherton. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Atherton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Atherton last frost occurs after February 15 be ready to cover your peanut if you have a surprise late frost.

USDA Zone Info for Atherton

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 Atherton

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