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.

In Republic you can figure out when it's a good idea to plant calendula by using the USDA zone info.

Planting Calendar for Calendula

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

Calendula tend to make it in a little bit of cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant calendula in Republic 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. Any later than that and your calendula may not have a chance to fully mature. You can get started a little bit earlier by starting your calendula indoors.

Last Frost Date

The average date of last frost is April 15 in Republic. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Republic is not always accurate and the actual date of last frost is different every year. Since half of the time in Republic last frost occurs after April 15 be ready to protect your calendula if you have a surprise late frost.

USDA Zone Info for Republic

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Republic

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