One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The best time to plant poppies in Highland Park can be estimated by referring to 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 well in some cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant poppies in Highland Park 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. Any later than that and your poppies may not have a chance to really do well. Starting your poppies indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Highland Park the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Highland Park and it will vary from year to year. Half of the time in Highland Park last frost occurs after April 15 so make sure that you are prepared to cover your poppies if you have one of those late frosts.

USDA Zone Info for Highland Park

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Highland Park

You may be interested in your other planting guides for Highland Park.