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.

One way of figuring out when it's a good idea to plant phlox is to consult the USDA zone info for Agawam.

Planting Calendar for Phlox

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

Phlox are moderately cold tolerant which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant phlox in Agawam 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 phlox and expect a good harvest is probably September. You probably don't want to wait any later than that or else your phlox may not have a chance to grow to maturity. If you are starting your 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 April 15 in Agawam. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Agawam is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Agawam it frosts late in the year after April 15 so be sure to be ready to cover your phlox if you have one of those late frosts.

USDA Zone Info for Agawam

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Agawam

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