One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Chambersburg it's possible to figure out when it's a good idea 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 do ok in very little cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant balloon flower in Chambersburg 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. You probably don't want to wait any later than that or else your balloon flower may not have a chance to fully mature. If you are starting your balloon flower indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Chambersburg. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Chambersburg is just an average and the actual date of last frost changes from year to year. Since half of the time in Chambersburg you get a frost after April 15 be ready to protect your balloon flower in the event of one of those late frosts.

USDA Zone Info for Chambersburg

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Chambersburg

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