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.

By reviewing the USDA zone info for Berkeley you should be able to determine when it's possible to plant tagetes.

Planting Calendar for Tagetes

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

Since tagetes require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant tagetes in Berkeley 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 tagetes and expect a good harvest is probably September. If you wait any later than that and your tagetes may not have a chance to fully mature. Starting your tagetes indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Berkeley. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Berkeley is just an average the actual date of last frost is different every year. Since half of the time in Berkeley it frosts late in the year after January 31 be ready to protect your tagetes if you have one of those late frosts.

USDA Zone Info for Berkeley

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 Low	30°F
Highest Expected Low	35°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 Berkeley

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