One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when it's possible to plant creeping phlox by checking out the USDA zone info for Columbiana.

Planting Calendar for Creeping Phlox

Frost tolerance for creeping phlox:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since creeping phlox are very cold tolerant you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant creeping phlox in Columbiana 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 creeping phlox and expect a good harvest is probably September. Any later than that and your creeping phlox may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your creeping phlox indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Columbiana. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Columbiana is just an average and the actual date of last frost is different every year. Since half of the time in Columbiana you get surprised by a frost after April 15 be ready to cover your creeping phlox if you have one of those late frosts.

USDA Zone Info for Columbiana

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Columbiana

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