When to Plant Oleander in Coal City, IL

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant oleander in Coal City can be determined by checking out the USDA zone info.


Planting Calendar for Oleander

Frost tolerance for oleander: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since oleander do not do well in cold weather you have to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant oleander in Coal City 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 oleander and expect a good harvest is probably August. Any later than that and your oleander may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your oleander indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Coal City. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Coal City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Coal City it frosts late in the year after April 15 so be sure to be ready to cover your oleander if you have a late frost.

USDA Zone Info for Coal City

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 Coal City

You may be interested in your other planting guides for Coal City.