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.

By referring to the USDA zone info for Holly you will be able to determine when it's the best time 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 the last frost when the weather gets warmer.

Polka Dot Plant do not do well in cold weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

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

Last Frost Date

The average date of last frost is April 15 in Holly. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Holly may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Holly you get surprised by a frost after April 15 be ready to protect your polka dot plant if you have a surprise late frost.

USDA Zone Info for Holly

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Holly

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