One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Riverbank you should be able to figure out when it's the best time to plant tagetes.

Planting Calendar for Tagetes

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

Tagetes require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant tagetes in Riverbank 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 tagetes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your tagetes may not have a chance to grow to maturity. You can get started a little bit earlier by starting your tagetes indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Riverbank. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Riverbank is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Riverbank last frost occurs after February 15 be ready to cover your tagetes in the event of a late frost.

USDA Zone Info for Riverbank

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 Riverbank

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