Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Winters you can determine when it's a good idea to plant creeping phlox by looking at the USDA zone info.

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 can survive in quite a bit of cold which tells us that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant creeping phlox in Winters 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. You probably don't want to wait any later than that or else your creeping phlox may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your creeping phlox indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Winters. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Winters is just an average the actual date of last frost is different every year. Since half of the time in Winters last frost occurs after February 15 be ready to cover your creeping phlox in the event of one of those late frosts.

USDA Zone Info for Winters

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Winters

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