One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Wisconsin Rapids can be looked at to determine when it's the best time to plant balloon flower.

Planting Calendar for Balloon Flower

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

Balloon Flower can survive in a tiny bit of cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant balloon flower in Wisconsin Rapids 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 balloon flower and expect a good harvest is probably August. If you wait any later than that and your balloon flower may not have a chance to really do well. You can get started a couple of weeks earlier by starting your balloon flower indoors.

Last Frost Date

The average date of last frost is May 15 in Wisconsin Rapids. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Wisconsin Rapids may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Wisconsin Rapids there is a last frost after May 15 be ready to cover your balloon flower if you have a late frost.

USDA Zone Info for Wisconsin Rapids

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 Wisconsin Rapids

You may be interested in your other planting guides for Wisconsin Rapids.