When to Plant Gloriosa Lily in Rantoul, IL

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant gloriosa lily in Rantoul should be figured out by using 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 when the weather gets warmer.

Gloriosa Lily require warm weather which tells us that it is important to wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant gloriosa lily
Possibly ok, but a risky time to plant gloriosa lily
Probably not a good time to plant gloriosa lily

The earliest that you can plant gloriosa lily in Rantoul 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 grow to maturity. Starting your gloriosa lily indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Rantoul. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Rantoul is just an average the actual date of last frost changes from year to year. Half of the time in Rantoul it frosts late in the year after April 15 so be sure to be ready to cover your gloriosa lily if you have a surprise late frost.

USDA Zone Info for Rantoul

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 Rantoul

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