One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when you can plant pentas is to check out the USDA zone info for Webster.

Planting Calendar for Pentas

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

It's a bad idea to plant pentas until after the last frost because they require warm weather.

The earliest that you can plant pentas in Webster 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. 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

On average all chance of frost has passed is on April 15 in Webster. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Webster is an average and the actual date of last frost is different every year. Half of the time in Webster it frosts late in the year after April 15 so be sure to be ready to cover your pentas if you have one of those late frosts.

USDA Zone Info for Webster

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 Low	0°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 Webster

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