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 Antigo you can estimate when it's a good idea to plant purple bell vines by referring to the USDA zone info.

Planting Calendar for Purple Bell Vines

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

You can plant purple bell vines slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant purple bell vines in Antigo 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 purple bell vines and expect a good harvest is probably August. You probably don't want to wait any later than that or else your purple bell vines may not have a chance to grow to maturity. Starting your purple bell vines indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Antigo. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Antigo may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Antigo last frost occurs after May 15 so make sure that you are prepared to cover your purple bell vines in the event of a surprise late frost.

USDA Zone Info for Antigo

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Antigo

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