One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 Powder Springs can be reviewed to determine when it's possible to plant phlox.

Planting Calendar for Phlox

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

Phlox do well in moderate cold which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant phlox in Powder Springs 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 phlox and expect a good harvest is probably September. Any later than that and your phlox may not have a chance to fully mature. You can get started a few weeks earlier by starting your phlox indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Powder Springs is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Powder Springs last frost occurs after April 15 be ready to cover your phlox in the event of a late frost.

USDA Zone Info for Powder Springs

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 Powder Springs

You may be interested in your other planting guides for Powder Springs.