The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when you can plant geranium by referring to the USDA zone info for Chester.

Planting Calendar for Geranium

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

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

The earliest that you can plant geranium in Chester 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 geranium and expect a good harvest is probably August. If you wait any later than that and your geranium may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your geranium indoors.

Last Frost Date

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

Since the USDA zone info for Chester is not always accurate the actual date of last frost changes from year to year. Since half of the time in Chester you get surprised by a frost after April 15 be ready to cover your geranium in the event of a late frost.

USDA Zone Info for Chester

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 Chester

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