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.

In Chesapeake you can determine when it's the best time to plant four o' clock by referring to the USDA zone info.

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 you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant four o' clock in Chesapeake 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. If you wait any later than that and your four o' clock may not have a chance to grow to maturity. Starting your four o' clock indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Chesapeake. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Chesapeake may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Chesapeake it frosts late in the year after March 15 so be sure to be ready to cover your four o' clock in the event of one of those late frosts.

USDA Zone Info for Chesapeake

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 Chesapeake

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