Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Auburn Hills you can determine when you can 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 the last frost.

Four O' Clock do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant four o' clock in Auburn Hills 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. You can get started a few weeks earlier by starting your four o' clock indoors.

Last Frost Date

The average date of last frost is April 15 in Auburn Hills. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Auburn Hills is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Auburn Hills there is a last frost after April 15 be ready to cover your four o' clock if you have one of those late frosts.

USDA Zone Info for Auburn Hills

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Auburn Hills

You may be interested in your other planting guides for Auburn Hills.