Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 bidens in Charlottesville can be estimated by checking out the USDA zone info.

Planting Calendar for Bidens

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

It's not a good idea to plant bidens until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant bidens in Charlottesville 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. You probably don't want to wait any later than that or else your bidens may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your bidens indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Charlottesville. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Charlottesville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Charlottesville there is a last frost after April 15 so just be sure to be ready to protect your bidens if you have a late frost.

USDA Zone Info for Charlottesville

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Charlottesville

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