When to Plant Daylily in Flossmoor, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's a good idea to plant daylily by referring to the USDA zone info for Flossmoor.


Planting Calendar for Daylily

Frost tolerance for daylily: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Daylily do well in mild cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

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

The earliest that you can plant daylily in Flossmoor is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant daylily and expect a good harvest is probably September. Any later than that and your daylily may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your daylily indoors.

Last Frost Date

The average date of last frost is April 15 in Flossmoor. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Flossmoor and it changes from year to year. Since half of the time in Flossmoor you get surprised by a frost after April 15 be ready to cover your daylily in the event of a surprise late frost.

USDA Zone Info for Flossmoor

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 Flossmoor

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