Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when you can plant pennyroyal is to look at the USDA zone info for Huntingburg.

Planting Calendar for Pennyroyal

Frost tolerance for pennyroyal:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since pennyroyal are very cold tolerant you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant pennyroyal in Huntingburg is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant pennyroyal and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pennyroyal may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pennyroyal indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Huntingburg. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Huntingburg is an average the actual date of last frost is different every year. Half of the time in Huntingburg it frosts late in the year after April 15 so make sure that you are ready to protect your pennyroyal if you have a surprise late frost.

USDA Zone Info for Huntingburg

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 Huntingburg

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