Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant chard in Mammoth Lakes should be estimated by using the USDA zone info.

Planting Calendar for Chard

Frost tolerance for chard:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since chard are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant chard in Mammoth Lakes 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 chard and expect a good harvest is probably September. If you wait any later than that and your chard may not have a chance to grow to maturity. If you are starting your chard indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Mammoth Lakes the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Mammoth Lakes is an average and the actual date of last frost will vary from year to year. Half of the time in Mammoth Lakes you get surprised by a frost after April 15 so be sure to be ready to protect your chard in the event of a late frost.

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.