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

The earliest that you can plant polka dot plant in Jamestown can be determined by reviewing the USDA zone info.

Planting Calendar for Polka Dot Plant

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

It's a bad idea to plant polka dot plant until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant polka dot plant in Jamestown 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. If you wait any later than that and your polka dot plant may not have a chance to fully mature. Starting your polka dot plant indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Jamestown. In the coldest months of winter you can expect an average low temperature of -30°F.

Keep in mind that USDA zone info for Jamestown is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Jamestown it frosts late in the year after May 15 be ready to cover your polka dot plant in the event of a late frost.

USDA Zone Info for Jamestown

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 Jamestown

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