The USDA Zone info is a great tool for gardeners to help us estimate 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.

You should be able to estimate when you can plant polka dot plant by referring to the USDA zone info for Bethel.

Planting Calendar for Polka Dot Plant

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

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

The earliest that you can plant polka dot plant in Bethel 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. 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 little bit earlier.

Last Frost Date

In Bethel the average date of last frost happens on May 15. You can expect an average low temperature of -35°F in the coldest months of winter.

Since the USDA zone info for Bethel is an average the actual date of last frost changes from year to year. Since half of the time in Bethel it frosts late in the year after May 15 be ready to cover your polka dot plant if you have a late frost.

USDA Zone Info for Bethel

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Bethel

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