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.

It's possible to estimate when it's a good idea to plant creeping phlox by reviewing the USDA zone info for Youngtown.

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 which tells us that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant creeping phlox in Youngtown 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 fully mature. If you are starting your creeping phlox indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Youngtown. In the coldest months of winter you can expect an average low temperature of 25°F.

Remember that USDA zone info for Youngtown is an average and the actual date of last frost changes from year to year. Since half of the time in Youngtown it frosts late in the year after February 15 be ready to cover your creeping phlox in the event of one of those late frosts.

USDA Zone Info for Youngtown

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 Youngtown

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