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.

In Manchester you can figure out when it's a good idea to plant polka dot plant 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 when the weather gets warmer.

Polka Dot Plant are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant polka dot plant in Manchester 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. You can get started a couple of weeks earlier by starting your polka dot plant indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Manchester. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Manchester is an average the actual date of last frost is different every year. Since half of the time in Manchester there is a last frost after April 15 be ready to cover your polka dot plant in the event of a surprise late frost.

USDA Zone Info for Manchester

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Manchester

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