Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's the best time to plant creeping phlox by using the USDA zone info for Zone 9a.

Planting Calendar for Creeping Phlox

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

Creeping Phlox do well in cold which means that you can start planting them much earlier than plants that are more sensitive to the cold.

The earliest that you can plant creeping phlox in Zone 9a is January. However, you really should wait until February 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 October. If you wait any later than that and your creeping phlox may not have a chance to fully mature. If you are starting your creeping phlox indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Zone 9a. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 9a is just an average and the actual date of last frost is different every year. Half of the time in Zone 9a you get a frost after February 15 so be sure to be ready to cover your creeping phlox in the event of a late frost.

USDA Zone Info for Zone 9a

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Zone 9a

You may be interested in your other planting guides for Zone 9a.