One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Grove City should be reffered to in order to estimate when it's the best time to plant pentas.

Planting Calendar for Pentas

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

It's not a good idea to plant pentas until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant pentas in Grove City 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 really do well. You can get started a little bit earlier by starting your pentas indoors.

Last Frost Date

The average date of last frost is April 15 in Grove City. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Grove City is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Grove City you get surprised by a frost after April 15 be ready to cover your pentas if you have a surprise late frost.

USDA Zone Info for Grove City

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 Grove City

You may be interested in your other planting guides for Grove City.