One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for White Hall you will be able to figure out when it's the best time to plant bidens.

Planting Calendar for Bidens

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

It's probably a bad idea to plant bidens until after the last frost because they require warm weather.

The earliest that you can plant bidens in White Hall 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 grow to maturity. If you are starting your bidens indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in White Hall. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for White Hall is an average the actual date of last frost changes from year to year. Since half of the time in White Hall you get surprised by a frost after March 15 be ready to protect your bidens in the event of a late frost.

USDA Zone Info for White Hall

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in White Hall

You may be interested in your other planting guides for White Hall.