One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's a good idea to plant pennyroyal is to look at the USDA zone info for Spotswood.

Planting Calendar for Pennyroyal

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

Pennyroyal do well in cold which means that you can start planting them much earlier than other plants that might not handle the cold.

The earliest that you can plant pennyroyal in Spotswood 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 couple of weeks earlier by starting your pennyroyal indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Spotswood. In the coldest months of winter you can expect an average low temperature of 0°F.

It's important to remember that USDA zone info for Spotswood may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Spotswood last frost occurs after April 15 be ready to cover your pennyroyal in the event of a surprise late frost.

USDA Zone Info for Spotswood

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 Spotswood

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