Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant balloon flower in Butner should be determined by using the USDA zone info.

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 do ok in moderate cold which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant balloon flower in Butner 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. 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 few weeks earlier by starting your balloon flower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Butner. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Butner is an average the actual date of last frost is different every year. Half of the time in Butner you get surprised by a frost after April 15 so make sure that you are ready to cover your balloon flower if you have a late frost.

USDA Zone Info for Butner

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Butner

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