One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Janesville you can estimate when to plant millet by looking at the USDA zone info.

Planting Calendar for Millet

Frost tolerance for millet:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant millet until after all chance of frost has passed because they require warm weather.

The earliest that you can plant millet in Janesville 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. If you are starting your millet indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Janesville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Janesville you get surprised by a frost after April 15 so just be sure to be ready to protect your millet in the event of a late frost.

USDA Zone Info for Janesville

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 Janesville

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