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.

You can figure out when it's a good idea to plant tall phlox in Rogersville by referring to the USDA zone info.

Planting Calendar for Tall Phlox

Frost tolerance for tall phlox:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since tall phlox do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant tall phlox in Rogersville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant tall phlox and expect a good harvest is probably September. Any later than that and your tall phlox may not have a chance to fully mature. Starting your tall phlox indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Rogersville. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Rogersville is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Rogersville you get a frost after April 15 be ready to cover your tall phlox in the event of a surprise late frost.

USDA Zone Info for Rogersville

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 Rogersville

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