One of the best tools that you have as gardeners to help us figure out 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 first opportunity to plant four o' clock in Mckinney should be estimated by reviewing 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.

You really shouldn't plant four o' clock until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant four o' clock in Mckinney 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

In Mckinney the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Mckinney is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Mckinney there is a last frost after March 15 be ready to protect your four o' clock in the event of one of those late frosts.

USDA Zone Info for Mckinney

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 Mckinney

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