Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Rosenberg can be read to estimate 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 has passed.

It's not a good idea to 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 Rosenberg 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. 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 few weeks earlier.

Last Frost Date

In Rosenberg the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Rosenberg is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Rosenberg last frost occurs after February 15 so make sure that you are ready to cover your tagetes in the event of a late frost.

USDA Zone Info for Rosenberg

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Rosenberg

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