One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's the best time to plant gloriosa lily in Decatur by reviewing the USDA zone info.

Planting Calendar for Gloriosa Lily

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

You should not plant gloriosa lily until after the last frost because they are not cold tolerant.

The earliest that you can plant gloriosa lily in Decatur 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. If you wait any later than that and your gloriosa lily may not have a chance to really do well. Starting your gloriosa lily indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Decatur the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Decatur is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Decatur last frost occurs after April 15 be ready to cover your gloriosa lily in the event of one of those late frosts.

USDA Zone Info for Decatur

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Decatur

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