The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant oriental poppies in West Mifflin can be estimated by reviewing the USDA zone info.

Planting Calendar for Oriental poppies

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

Since oriental poppies are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant oriental poppies in West Mifflin 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 fully mature. 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 West Mifflin. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for West Mifflin is just an average and the actual date of last frost will vary from year to year. Half of the time in West Mifflin there is a last frost after April 15 so always be ready to protect your oriental poppies if you have one of those late frosts.

USDA Zone Info for West Mifflin

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 West Mifflin

You may be interested in your other planting guides for West Mifflin.