The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Frederick you can estimate when it's possible to plant polka dot plant by looking at 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.

Since polka dot plant are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant polka dot plant in Frederick 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 fully mature. You can get started a little bit earlier by starting your polka dot plant indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Frederick. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Frederick may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Frederick you get a frost after April 15 so make sure that you are prepared to protect your polka dot plant in the event of a surprise late frost.

USDA Zone Info for Frederick

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Frederick

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