Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when to plant balloon flower is to look at the USDA zone info for Jerseyville.

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.

Since balloon flower are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant balloon flower in Jerseyville 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 balloon flower and expect a good harvest is probably August. Any later than that and your balloon flower may not have a chance to really do well. You can get started a little bit earlier by starting your balloon flower indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Jerseyville. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Jerseyville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Jerseyville it frosts late in the year after April 15 be ready to protect your balloon flower in the event of one of those late frosts.

USDA Zone Info for Jerseyville

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 Jerseyville

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