One of the first steps you take when you are figuring out 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.

You will be able to figure out when to plant four o' clock by using the USDA zone info for Bellbrook.

Planting Calendar for Four O' Clock

Frost tolerance for four o' clock:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since four o' clock require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant four o' clock in Bellbrook 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 four o' clock and expect a good harvest is probably August. Any later than that and your four o' clock may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your four o' clock indoors.

Last Frost Date

On average the last frost is on April 15 in Bellbrook. You can expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Bellbrook is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Bellbrook last frost occurs after April 15 be ready to cover your four o' clock if you have one of those late frosts.

USDA Zone Info for Bellbrook

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Bellbrook

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