When to Plant Poppies in Centralia, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Centralia you will be able to determine when it's the best time to plant poppies.


Planting Calendar for Poppies

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

Since poppies do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant poppies in Centralia 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 poppies and expect a good harvest is probably September. If you wait any later than that and your poppies may not have a chance to fully mature. Starting your poppies indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Centralia the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Centralia is an average and the actual date of last frost is different every year. Since half of the time in Centralia you get surprised by a frost after April 15 be ready to protect your poppies in the event of a late frost.

USDA Zone Info for Centralia

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 Centralia

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