The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's a good idea to plant pentas is to refer to the USDA zone info for Poquoson.

Planting Calendar for Pentas

Frost tolerance for pentas:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant pentas until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant pentas in Poquoson is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant pentas and expect a good harvest is probably August. If you wait any later than that and your pentas may not have a chance to fully mature. You can get started a little bit earlier by starting your pentas indoors.

Last Frost Date

In Poquoson the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Poquoson is just an average and the actual date of last frost is different every year. Half of the time in Poquoson you get surprised by a frost after March 15 so just be sure to be ready to protect your pentas if you have a late frost.

USDA Zone Info for Poquoson

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Poquoson

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