The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when to plant four-o-clock flower by reviewing the USDA zone info for Hephzibah.

Planting Calendar for Four-o-clock flower

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

Since four-o-clock flower are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant four-o-clock flower in Hephzibah 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 flower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your four-o-clock flower may not have a chance to grow to maturity. You can get started a little bit earlier by starting your four-o-clock flower indoors.

Last Frost Date

On average the last frost is on March 15 in Hephzibah. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Hephzibah is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Hephzibah last frost occurs after March 15 be ready to cover your four-o-clock flower in the event of a late frost.

USDA Zone Info for Hephzibah

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Hephzibah

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