The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Florence you can estimate when it's possible 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 just a tiny bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant verbena in Florence 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. If you wait any later than that and your verbena may not have a chance to grow to maturity. If you are starting your verbena indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Florence. You should expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Florence is just an average and the actual date of last frost changes from year to year. Half of the time in Florence there is a last frost after April 15 so always be ready to cover your verbena in the event of a late frost.

USDA Zone Info for Florence

Here is the info for USDA Zone 7b.

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

Plants to Grow in Florence

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