When to Plant Creeping Phlox in Glendora, CA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when to plant creeping phlox is to use the USDA zone info for Glendora.


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 more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant creeping phlox
Possibly ok, but a risky time to plant creeping phlox
Probably not a good time to plant creeping phlox

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

Last Frost Date

In Glendora the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Glendora and it will vary from year to year. Half of the time in Glendora it frosts late in the year after January 31 so always be ready to protect your creeping phlox if you have a late frost.

USDA Zone Info for Glendora

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Glendora

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