One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Bessemer City you should be able to estimate when you can plant bidens.

Planting Calendar for Bidens

Frost tolerance for bidens:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since bidens are not cold tolerant you have to wait until after the last frost before you can plant them.

The earliest that you can plant bidens in Bessemer 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 bidens and expect a good harvest is probably August. Any later than that and your bidens may not have a chance to really do well. Starting your bidens indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Bessemer City. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Bessemer City is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Bessemer City last frost occurs after April 15 so make sure that you are ready to protect your bidens in the event of a surprise late frost.

USDA Zone Info for Bessemer City

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 Bessemer City

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