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.

You should be able to estimate when to plant pentas by using the USDA zone info for Westfield.

Planting Calendar for Pentas

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

Since pentas require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant pentas in Westfield 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 grow to maturity. You can get started a few weeks earlier by starting your pentas indoors.

Last Frost Date

In Westfield the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Westfield and it changes from year to year. Half of the time in Westfield last frost occurs after April 15 so make sure that you are prepared to cover your pentas if you have one of those late frosts.

USDA Zone Info for Westfield

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 Westfield

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