One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when it's a good idea to plant creeping phlox is to check out the USDA zone info for Calimesa.

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 weather which tells us that you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant creeping phlox in Calimesa 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. Any later than that and your creeping phlox may not have a chance to fully mature. You can get started a few weeks earlier by starting your creeping phlox indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Calimesa. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Calimesa is an average the actual date of last frost will vary from year to year. Since half of the time in Calimesa you get a frost after February 15 be ready to cover your creeping phlox in the event of a late frost.

USDA Zone Info for Calimesa

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 Calimesa

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