The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Rockmart you can estimate when it's possible to plant tall phlox 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.

Tall Phlox do well in mild cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is April 15 in Rockmart. It might get as low as 5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rockmart is an average and the actual date of last frost is different every year. Half of the time in Rockmart you get a frost after April 15 so make sure that you are ready to cover your tall phlox in the event of a surprise late frost.

USDA Zone Info for Rockmart

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 Rockmart

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