One of the first steps you take when you are getting a good idea 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.

You should be able to estimate when to plant tagetes by reviewing the USDA zone info for Seguin.

Planting Calendar for Tagetes

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

It's probably not a good idea to plant tagetes until after the last frost because they are not cold tolerant.

The earliest that you can plant tagetes in Seguin 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. Any later than that and your tagetes may not have a chance to really do well. You can get started a few weeks earlier by starting your tagetes indoors.

Last Frost Date

The average date of last frost is March 15 in Seguin. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Seguin is just an average the actual date of last frost changes from year to year. Half of the time in Seguin you get a frost after March 15 so just be sure to be ready to protect your tagetes in the event of one of those late frosts.

USDA Zone Info for Seguin

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Seguin

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