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.

It's possible to estimate when to plant angel's trumpets by referring to the USDA zone info for Smyrna.

Planting Calendar for Angel's Trumpets

Frost tolerance for angel's trumpets:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Angel's Trumpets do ok in moderate cold which means that you can plant them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant angel's trumpets in Smyrna 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 angel's trumpets and expect a good harvest is probably August. Any later than that and your angel's trumpets may not have a chance to really do well. You can get started a couple of weeks earlier by starting your angel's trumpets indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Smyrna. 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 Smyrna 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 Smyrna last frost occurs after April 15 so make sure that you are prepared to protect your angel's trumpets if you have one of those late frosts.

USDA Zone Info for Smyrna

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 Smyrna

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