When to Plant Pentas in Pawtucket, RI

The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 to plant pentas by reviewing the USDA zone info for Pawtucket.


Planting Calendar for Pentas

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

You can not plant pentas until after the last frost when the weather gets warmer because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pentas
Possibly ok, but a risky time to plant pentas
Probably not a good time to plant pentas

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Pawtucket. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Pawtucket and it is different every year. Half of the time in Pawtucket you get surprised by a frost after April 15 so make sure that you are prepared to cover your pentas if you have a late frost.

USDA Zone Info for Pawtucket

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Pawtucket

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