The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's possible to plant oriental poppies by using the USDA zone info for Waupun.

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 little earlier in the year because they do well in moderate cold.

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

Last Frost Date

The average date of last frost is April 15 in Waupun. You should expect an average low temperature of -20°F in the coldest months of winter.

Remember that USDA zone info for Waupun is an average and the actual date of last frost will vary from year to year. Half of the time in Waupun there is a last frost after April 15 so make sure that you are prepared to cover your oriental poppies in the event of a surprise late frost.

USDA Zone Info for Waupun

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Waupun

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