When to Plant Creeping Zinnia in Signal Mountain, TN

Before planting it is a good idea to find your USDA Zone info to figure out 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.

A common way of determining when it's possible to plant creeping zinnia is to use the USDA zone info for Signal Mountain.


Planting Calendar for Creeping Zinnia

Frost tolerance for creeping zinnia: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Creeping Zinnia are one of those plants that can tolerate a tiny bit of cold weather which means that you can get them planted just a bit earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant creeping zinnia
Possibly ok, but a risky time to plant creeping zinnia
Probably not a good time to plant creeping zinnia

The earliest that you can plant creeping zinnia in Signal Mountain is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant creeping zinnia and expect a good harvest is probably August. Any later than that and your creeping zinnia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your creeping zinnia indoors.

Last Frost Date

The average date of last frost is April 15 in Signal Mountain. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Signal Mountain may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Signal Mountain you get surprised by a frost after April 15 so always be ready to cover your creeping zinnia in the event of a late frost.

USDA Zone Info for Signal Mountain

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 Low0°F
Highest Expected Low5°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 Signal Mountain

You may be interested in your other planting guides for Signal Mountain.