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

The USDA zone info for Mammoth Lakes can be used to estimate when you can plant snap beans.

Planting Calendar for Snap beans

Frost tolerance for snap beans:	Not tolerant of frost.
When to plant:	After the last frost.

Snap beans require warm weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant snap beans in Mammoth Lakes is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant snap beans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your snap beans may not have a chance to fully mature. You can get started a few weeks earlier by starting your snap beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mammoth Lakes. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Mammoth Lakes is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Mammoth Lakes last frost occurs after April 15 so make sure that you are ready to cover your snap beans if you have one of those late frosts.

USDA Zone Info for Mammoth Lakes

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Mammoth Lakes

You may be interested in your other planting guides for Mammoth Lakes.