One of the first steps you take when you are determining 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.

It's possible to figure out when it's the best time to plant bidens by using the USDA zone info for Greenville.

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 do not do well in cold weather.

The earliest that you can plant bidens in Greenville 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. If you wait any later than that and your bidens may not have a chance to really do well. You can get started a little bit earlier by starting your bidens indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Greenville. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Greenville may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Greenville it frosts late in the year after March 15 so always be ready to cover your bidens in the event of a late frost.

USDA Zone Info for Greenville

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 Greenville

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