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.

By referring to the USDA zone info for Chicago Heights you should be able to estimate when it's a good idea 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.

You can plant poppies a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant poppies in Chicago Heights 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. You probably don't want to wait any later than that or else your poppies may not have a chance to really do well. You can get started a few weeks earlier by starting your poppies indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Chicago Heights. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Chicago Heights and it is different every year. Half of the time in Chicago Heights last frost occurs after April 15 so just be sure to be ready to protect your poppies in the event of a late frost.

USDA Zone Info for Chicago Heights

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 Chicago Heights

You may be interested in your other planting guides for Chicago Heights.