One of the best tools that you have as gardeners to help us figure out 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 looking at the USDA zone info for Abingdon you will be able to estimate when to plant sunflowers.

Planting Calendar for Sunflowers

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

Since sunflowers require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant sunflowers in Abingdon 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 sunflowers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sunflowers may not have a chance to really do well. If you are starting your sunflowers indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Abingdon. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Abingdon is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Abingdon you get a frost after April 15 be ready to cover your sunflowers in the event of one of those late frosts.

USDA Zone Info for Abingdon

Here is the info for USDA Zone 6b.

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

Plants to Grow in Abingdon

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