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

The best time to plant creeping phlox in Hiawatha 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 to plant:	Up to 7 weeks before last frost.

Since creeping phlox do well in cold you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant creeping phlox in Hiawatha is February. However, you really should wait until March 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 September. Any later than that and your creeping phlox may not have a chance to fully mature. Starting your creeping phlox indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hiawatha. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Hiawatha may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Hiawatha it frosts late in the year after April 15 so just be sure to be ready to protect your creeping phlox in the event of a surprise late frost.

USDA Zone Info for Hiawatha

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Hiawatha

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