One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when to plant polka dot plant is to look at the USDA zone info for West Mifflin.

Planting Calendar for Polka Dot Plant

Frost tolerance for polka dot plant:	Not tolerant of frost.
When to plant:	After the last frost.

Since polka dot plant require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant polka dot plant in West Mifflin is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant polka dot plant and expect a good harvest is probably August. Any later than that and your polka dot plant may not have a chance to really do well. If you are starting your polka dot plant indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in West Mifflin. In the coldest months of winter you should expect an average low temperature of -5°F.

Keep in mind that USDA zone info for West Mifflin may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in West Mifflin you get surprised by a frost after April 15 be ready to cover your polka dot plant if you have a late frost.

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.