Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's a good idea to plant penstemon by looking at the USDA zone info for Perry.

Planting Calendar for Penstemon

Frost tolerance for penstemon:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

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

The earliest that you can plant penstemon in Perry 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 penstemon and expect a good harvest is probably September. Any later than that and your penstemon may not have a chance to fully mature. If you are starting your penstemon indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Perry. 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 Perry is not always accurate and the actual date of last frost is different every year. Since half of the time in Perry you get a frost after April 15 be ready to cover your penstemon in the event of a surprise late frost.

USDA Zone Info for Perry

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 Perry

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