One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant tagetes in Mammoth Lakes can be determined by using the USDA zone info.

Planting Calendar for Tagetes

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

You really shouldn't plant tagetes until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant tagetes 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 tagetes and expect a good harvest is probably August. If you wait any later than that and your tagetes may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your tagetes indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Mammoth Lakes. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Mammoth Lakes is just an average the actual date of last frost changes from year to year. Half of the time in Mammoth Lakes last frost occurs after April 15 so always be ready to protect your tagetes in the event of a surprise 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.