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.

In Millington you can figure out when to plant zinnia by referring to the USDA zone info.

Planting Calendar for Zinnia

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

It's probably a bad idea to plant zinnia until after the last frost because they do not do well in cold weather.

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

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Millington. In the coldest months of winter you can expect an average low temperature of 5°F.

Keep in mind that USDA zone info for Millington is not always accurate and the actual date of last frost is different every year. Since half of the time in Millington there is a last frost after April 15 be ready to cover your zinnia in the event of a late frost.

USDA Zone Info for Millington

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Millington

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