Before planting it is a good idea to find your USDA Zone info to determine 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.

The USDA zone info for Tonganoxie should be read to estimate when it's possible to plant oriental poppies.

Planting Calendar for Oriental poppies

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

You can plant oriental poppies a bit earlier in the year because they do well in moderate cold.

The earliest that you can plant oriental poppies in Tonganoxie 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 oriental poppies and expect a good harvest is probably September. Any later than that and your oriental poppies may not have a chance to really do well. You can get started a couple of weeks earlier by starting your oriental poppies indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Tonganoxie. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Tonganoxie is just an average the actual date of last frost will vary from year to year. Since half of the time in Tonganoxie you get surprised by a frost after April 15 be ready to protect your oriental poppies in the event of one of those late frosts.

USDA Zone Info for Tonganoxie

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 Tonganoxie

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