One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant verbena is to check out the USDA zone info for New Richmond.

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 are barely cold tolerant which tells us that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant verbena in New Richmond 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 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. Starting your verbena indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in New Richmond. You should expect an average low temperature of -25°F in the coldest months of winter.

Keep in mind that USDA zone info for New Richmond is just an average and the actual date of last frost will vary from year to year. Half of the time in New Richmond last frost occurs after May 15 so be sure to be ready to cover your verbena if you have a surprise late frost.

USDA Zone Info for New Richmond

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in New Richmond

You may be interested in your other planting guides for New Richmond.