Before planting it is a good idea to find your USDA Zone info to estimate 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 getting a good idea when to plant gloriosa lily is to consult the USDA zone info for Mascoutah.

Planting Calendar for Gloriosa Lily

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

It's probably not a good idea to plant gloriosa lily until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant gloriosa lily in Mascoutah 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 really do well. You can get started a few weeks earlier by starting your gloriosa lily indoors.

Last Frost Date

On average the last frost is on April 15 in Mascoutah. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Mascoutah is just an average the actual date of last frost is different every year. Since half of the time in Mascoutah there is a last frost after April 15 be ready to cover your gloriosa lily if you have a late frost.

USDA Zone Info for Mascoutah

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 Mascoutah

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