One of the first steps you take when you are determining your gardening schedule is find your 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 Hummelstown can be read to determine when you can 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.

Since polka dot plant require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant polka dot plant in Hummelstown 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. If you wait 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 all chance of frost has passed is on April 15 in Hummelstown. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Hummelstown may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Hummelstown there is a last frost after April 15 so always be ready to cover your polka dot plant in the event of a late frost.

USDA Zone Info for Hummelstown

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Hummelstown

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