When to Plant Gloriosa Lily in Roscoe, IL

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.

The USDA zone info for Roscoe should be used to estimate when to plant gloriosa lily.


Planting Calendar for Gloriosa Lily

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

Gloriosa Lily do not do well in cold weather which means that you have to wait until it warms up after all chance of 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 Roscoe 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 grow to maturity. You can get started a couple of weeks earlier by starting your gloriosa lily indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Roscoe. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Roscoe is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Roscoe it frosts late in the year after April 15 be ready to cover your gloriosa lily if you have a late frost.

USDA Zone Info for Roscoe

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 Roscoe

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