Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Philadelphia you will be able to figure out when to plant millet.

Planting Calendar for Millet

Frost tolerance for millet:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant millet until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant millet in Philadelphia 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 millet and expect a good harvest is probably August. You probably don't want to wait any later than that or else your millet may not have a chance to really do well. Starting your millet 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 Philadelphia. In the coldest months of winter you should expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Philadelphia is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Philadelphia last frost occurs after April 15 be ready to protect your millet in the event of a surprise late frost.

USDA Zone Info for Philadelphia

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Philadelphia

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