The USDA Zone info is a great tool for gardeners to help us estimate 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.

By using the USDA zone info for Davenport you should be able to determine when it's a good idea to plant pentas.

Planting Calendar for Pentas

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

It's probably a bad idea to plant pentas until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant pentas in Davenport 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. You probably don't want to wait any later than that or else your pentas may not have a chance to fully mature. Starting your pentas indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Davenport. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Davenport is just an average the actual date of last frost changes from year to year. Since half of the time in Davenport you get a frost after April 15 be ready to cover your pentas if you have one of those late frosts.

USDA Zone Info for Davenport

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 Davenport

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