One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Circle Pines can be read to figure out when to plant polka dot plant.

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.

Since polka dot plant are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant polka dot plant in Circle Pines 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 fully mature. Starting your polka dot plant indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Circle Pines. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Circle Pines may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Circle Pines there is a last 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 Circle Pines

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Circle Pines

You may be interested in your other planting guides for Circle Pines.