One of the first steps you take when you are figuring out your gardening schedule is find your 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.

You should be able to determine when it's a good idea to plant verbena by reviewing the USDA zone info for Wixom.

Planting Calendar for Verbena

Frost tolerance for verbena:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Verbena tend to make it in very little cold which tells us that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant verbena in Wixom is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant verbena and expect a good harvest is probably August. Any later than that and your verbena may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your verbena indoors.

Last Frost Date

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

Since the USDA zone info for Wixom is not always accurate the actual date of last frost will vary from year to year. Half of the time in Wixom you get a frost after April 15 so make sure that you are prepared to cover your verbena in the event of one of those late frosts.

USDA Zone Info for Wixom

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 Wixom

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