One of the best tools that you have as gardeners to help us estimate 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.

By using the USDA zone info for Whitehall it's possible to figure out when 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 little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant oriental poppies in Whitehall 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 grow to maturity. You can get started a couple of weeks earlier by starting your oriental poppies indoors.

Last Frost Date

The average date of last frost is April 15 in Whitehall. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Whitehall may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Whitehall there is a last frost after April 15 be ready to cover your oriental poppies in the event of a surprise late frost.

USDA Zone Info for Whitehall

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 Whitehall

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