When can I plant Creeping Phlox in Zone 2b

One of the best tools that we have as gardeners to help us figure out our 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 our area.

The earliest that you can plant creeping phlox in Zone 2b can be figured out by reviewing the USDA zone info.


Planting Calendar for Creeping Phlox

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

Creeping Phlox are very cold tolerant which tells us that you can start planting them much earlier than plants that are more sensitive to the cold.

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 Zone 2b is April. However, you really should wait until May 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 August. If you wait any later than that and your creeping phlox may not have a chance to really do well. If you are starting your creeping phlox indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Zone 2b. We can expect an average low temperature of -45°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 2b is an average and our actual date of last frost is different every year. Half of the time in Zone 2b we get a frost after May 15 so make sure that you are ready to protect your creeping phlox in the event of a surprise late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-45°F
Highest Expected Low-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in our other planting guides for Zone 2b.