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 Fond Du Lac you can determine 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.

Purple Bell Vines do well in very little cold which tells us that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant purple bell vines in Fond Du Lac 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 purple bell vines and expect a good harvest is probably August. Any later than that and your purple bell vines may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your purple bell vines indoors.

Last Frost Date

In Fond Du Lac the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

It's important to remember that USDA zone info for Fond Du Lac is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Fond Du Lac it frosts late in the year after April 15 be ready to protect your purple bell vines if you have a surprise late frost.

USDA Zone Info for Fond Du Lac

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Fond Du Lac

You may be interested in your other planting guides for Fond Du Lac.