When to Plant Oleander in Plainfield, IL

One of the first steps you take when you are estimating 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 oleander in Plainfield can be figured out by reviewing the USDA zone info.


Planting Calendar for Oleander

Frost tolerance for oleander: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since oleander are not cold tolerant you need to wait until after the last 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 Plainfield 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. If you wait any later than that and your oleander may not have a chance to grow to maturity. Starting your oleander indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Plainfield. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for Plainfield may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Plainfield you get surprised by a frost after April 15 be ready to protect your oleander if you have a surprise late frost.

USDA Zone Info for Plainfield

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 Plainfield

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