When to Plant Carnation in Olney, IL

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant carnation in Olney should be figured out by reviewing the USDA zone info.

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Planting Calendar for Carnation

Frost tolerance for carnation: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since carnation do well in cold you can plant them earlier in the year than more sensitive plants.

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

The earliest that you can plant carnation in Olney 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 carnation and expect a good harvest is probably September. If you wait any later than that and your carnation may not have a chance to really do well. If you are starting your carnation indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Olney. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Olney is just an average and the actual date of last frost changes from year to year. Half of the time in Olney it frosts late in the year after April 15 so be sure to be ready to protect your carnation if you have a surprise late frost.

USDA Zone Info for Olney

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Olney

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