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

The first opportunity to plant calendula in Muscle Shoals should be determined by looking at 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.

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

The earliest that you can plant calendula in Muscle Shoals 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. If you are starting your calendula indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Muscle Shoals the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 5°F.

Just be sure to remember that USDA zone info for Muscle Shoals is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Muscle Shoals there is a last frost after April 15 be ready to cover your calendula in the event of a late frost.

USDA Zone Info for Muscle Shoals

Here is the info for USDA Zone 7b.

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

Plants to Grow in Muscle Shoals

You may be interested in your other planting guides for Muscle Shoals.