One of the best tools that you have as gardeners to help us determine 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.

A common way of making a decision about when to plant creeping phlox is to check out the USDA zone info for Pharr.

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 one of those plants that can tolerate quite a bit of cold weather you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant creeping phlox in Pharr 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. You can get started a little bit earlier by starting your creeping phlox indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Pharr may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Pharr it frosts late in the year after February 15 so make sure that you are ready to protect your creeping phlox if you have one of those late frosts.

USDA Zone Info for Pharr

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 Pharr

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