Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Commerce City it's a good idea to estimate when it's a good idea 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 the last frost before you can plant them.

The earliest that you can plant tagetes in Commerce City 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. If you wait any later than that and your tagetes may not have a chance to fully mature. You can get started a little bit earlier by starting your tagetes indoors.

Last Frost Date

On average the last frost is on April 15 in Commerce City. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Commerce City is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Commerce City you get a frost after April 15 be ready to protect your tagetes if you have a surprise late frost.

USDA Zone Info for Commerce City

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Commerce City

You may be interested in your other planting guides for Commerce City.