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

One way of getting a good idea when it's a good idea to plant calendula is to check out the USDA zone info for Jefferson City.

Planting Calendar for Calendula

Frost tolerance for calendula:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant calendula a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant calendula in Jefferson City is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant calendula and expect a good harvest is probably September. You probably don't want to wait any later than that or else your calendula may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your calendula indoors.

Last Frost Date

The average date of last frost is April 15 in Jefferson City. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Jefferson City is just an average and the actual date of last frost will vary from year to year. Since half of the time in Jefferson City it frosts late in the year after April 15 be ready to protect your calendula if you have a late frost.

USDA Zone Info for Jefferson City

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Jefferson City

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