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

In Tonawanda you can estimate when it's possible to plant verbena by reviewing 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.

Verbena do ok in a tiny bit of cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant verbena in Tonawanda 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 really do well. 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 Tonawanda. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Tonawanda is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Tonawanda you get a frost after April 15 be ready to cover your verbena in the event of one of those late frosts.

USDA Zone Info for Tonawanda

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 Tonawanda

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