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

By checking out the USDA zone info for Wausau it's possible to figure out when you can 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.

Oriental poppies tend to make it in a little bit of cold which means that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant oriental poppies in Wausau is March. However, you really should wait until April 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 August. You probably don't want to wait any later than that or else your oriental poppies may not have a chance to grow to maturity. You can get started a little bit earlier by starting your oriental poppies indoors.

Last Frost Date

The average date of last frost is May 15 in Wausau. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Wausau is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Wausau you get surprised by a frost after May 15 so make sure that you are ready to protect your oriental poppies in the event of a surprise late frost.

USDA Zone Info for Wausau

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Wausau

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