Before planting it is a good idea to find your USDA Zone info to estimate 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.

The first opportunity to plant pennyroyal in Schererville can be figured out by checking out the USDA zone info.

Planting Calendar for Pennyroyal

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

Pennyroyal can survive in quite a bit of cold which means that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant pennyroyal in Schererville 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. Any later than that and your pennyroyal may not have a chance to really do well. If you are starting your pennyroyal indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Schererville. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Schererville is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Schererville you get surprised by a frost after April 15 so make sure that you are ready to cover your pennyroyal if you have one of those late frosts.

USDA Zone Info for Schererville

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 Schererville

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