The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's possible to plant tagetes by checking out the USDA zone info for Richardson.

Planting Calendar for Tagetes

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

It's a bad idea to plant tagetes until after the last frost has passed because they require warm weather.

The earliest that you can plant tagetes in Richardson 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 fully mature. Starting your tagetes indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on March 15 in Richardson. You can expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Richardson and it changes from year to year. Half of the time in Richardson there is a last frost after March 15 so make sure that you are ready to protect your tagetes if you have a late frost.

USDA Zone Info for Richardson

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Richardson

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