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

In Martinsville you can estimate when to plant verbena by using the USDA zone info.

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.

You can plant verbena a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant verbena in Martinsville 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. You probably don't want to wait any later than that or else your verbena may not have a chance to grow to maturity. You can get started a little bit earlier by starting your verbena indoors.

Last Frost Date

The average date of last frost is April 15 in Martinsville. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Martinsville is not always accurate the actual date of last frost is different every year. Since half of the time in Martinsville you get surprised by a frost after April 15 be ready to cover your verbena if you have a surprise late frost.

USDA Zone Info for Martinsville

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Martinsville

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