The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Smyrna you should be able to estimate when it's possible to plant gloriosa lily.

Planting Calendar for Gloriosa Lily

Frost tolerance for gloriosa lily:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since gloriosa lily are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant gloriosa lily in Smyrna 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 gloriosa lily and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gloriosa lily may not have a chance to fully mature. You can get started a little bit earlier by starting your gloriosa lily indoors.

Last Frost Date

In Smyrna the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Smyrna is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Smyrna you get surprised by a frost after April 15 be ready to protect your gloriosa lily in the event of a surprise late frost.

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.