Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Newton you will be able to determine when you can plant pentas.

Planting Calendar for Pentas

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

You should not plant pentas until after the last frost because they require warm weather.

The earliest that you can plant pentas in Newton 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. If you are starting your pentas indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Newton. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Newton is an average the actual date of last frost changes from year to year. Half of the time in Newton there is a last frost 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 Newton

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Newton

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