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

In Airway Heights you can estimate when it's a good idea to plant balloon flower by checking out 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.

You can plant balloon flower slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant balloon flower in Airway Heights 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 fully mature. You can get started a little bit earlier by starting your balloon flower indoors.

Last Frost Date

On average the last frost is on April 15 in Airway Heights. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Airway Heights is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Airway Heights last frost occurs after April 15 be ready to cover your balloon flower if you have a surprise late frost.

USDA Zone Info for Airway Heights

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 Airway Heights

You may be interested in your other planting guides for Airway Heights.