Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant tall phlox in Beaver Dam should be determined by reviewing the USDA zone info.

Planting Calendar for Tall Phlox

Frost tolerance for tall phlox:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant tall phlox a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant tall phlox in Beaver Dam 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 tall phlox and expect a good harvest is probably September. If you wait any later than that and your tall phlox may not have a chance to really do well. Starting your tall phlox indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Beaver Dam. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Beaver Dam is not always accurate the actual date of last frost changes from year to year. Half of the time in Beaver Dam it frosts late in the year after April 15 so make sure that you are prepared to protect your tall phlox in the event of a late frost.

USDA Zone Info for Beaver Dam

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 Beaver Dam

You may be interested in your other planting guides for Beaver Dam.