The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when to plant scaevola is to examine the USDA zone info for Signal Mountain.

Planting Calendar for Scaevola

Frost tolerance for scaevola:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You really shouldn't plant scaevola until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant scaevola in Signal Mountain 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 scaevola and expect a good harvest is probably August. If you wait any later than that and your scaevola may not have a chance to really do well. You can get started a little bit earlier by starting your scaevola indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Signal Mountain. In the coldest months of winter you should expect an average low temperature of 0°F.

It's important to remember that USDA zone info for Signal Mountain is not always accurate and the actual date of last frost is different every year. Half of the time in Signal Mountain you get surprised by a frost after April 15 so be sure to be ready to protect your scaevola in the event of one of those late frosts.

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 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 Signal Mountain

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