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

A common way of estimating when you can plant four-o-clock flower is to use the USDA zone info for Clementon.

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.

Four-o-clock flower require warm weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant four-o-clock flower in Clementon 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 fully mature. Starting your four-o-clock flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Clementon the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Clementon is just an average and the actual date of last frost is different every year. Half of the time in Clementon there is a last frost after April 15 so make sure that you are prepared to protect your four-o-clock flower in the event of a late frost.

USDA Zone Info for Clementon

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Clementon

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