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

In Maryville you can determine when to plant pennyroyal 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 are very cold tolerant which means that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant pennyroyal in Maryville 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. If you wait any later than that and your pennyroyal may not have a chance to grow to maturity. You can get started a little bit earlier by starting your pennyroyal indoors.

Last Frost Date

The average date of last frost is April 15 in Maryville. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Maryville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Maryville you get surprised by a frost after April 15 so just be sure to be ready to protect your pennyroyal if you have a late frost.

USDA Zone Info for Maryville

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 Maryville

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