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

The USDA zone info for Roanoke Rapids can be looked at to determine when to 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 it is important to wait until after the last frost before you can plant them.

The earliest that you can plant bidens in Roanoke Rapids 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 fully mature. You can get started a little bit earlier by starting your bidens indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Roanoke Rapids. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Roanoke Rapids may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Roanoke Rapids it frosts late in the year after April 15 so always be ready to cover your bidens in the event of a surprise late frost.

USDA Zone Info for Roanoke Rapids

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 Roanoke Rapids

You may be interested in your other planting guides for Roanoke Rapids.