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

In Palos Heights you can figure out when to plant poppies by looking at the USDA zone info.

Planting Calendar for Poppies

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

Poppies do ok in moderate cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant poppies in Palos 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 grow to maturity. If you are starting your poppies indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Remember that USDA zone info for Palos Heights is not always accurate and the actual date of last frost is different every year. Half of the time in Palos Heights you get a frost after April 15 so just be sure to be ready to protect your poppies if you have a surprise late frost.

USDA Zone Info for Palos 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 Palos Heights

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