One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The USDA zone info for Hurricane can be reffered to in order to estimate when it's the best time to plant four o' clock.

Planting Calendar for Four O' Clock

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

You can not plant four o' clock until after the last frost because they are not cold tolerant.

The earliest that you can plant four o' clock in Hurricane 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 fully mature. 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 April 15 in Hurricane. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Hurricane is an average the actual date of last frost is different every year. Half of the time in Hurricane it frosts late in the year after April 15 so just be sure to be ready to protect your four o' clock if you have a surprise late frost.

USDA Zone Info for Hurricane

Here is the info for USDA Zone 6b.

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

Plants to Grow in Hurricane

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