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.

It's possible to estimate when you can plant polka dot plant by reviewing the USDA zone info for Zimmerman.

Planting Calendar for Polka Dot Plant

Frost tolerance for polka dot plant:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's not a good idea to plant polka dot plant until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant polka dot plant in Zimmerman is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your polka dot plant may not have a chance to grow to maturity. If you are starting your polka dot plant indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zimmerman the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -30°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Zimmerman and it is different every year. Since half of the time in Zimmerman you get a frost after May 15 be ready to protect your polka dot plant in the event of one of those late frosts.

USDA Zone Info for Zimmerman

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zimmerman

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