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 you can plant balloon flower is to consult the USDA zone info for Greenfield.

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 a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant balloon flower in Greenfield 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 grow to maturity. 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 April 15 in Greenfield. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Greenfield is not always accurate the actual date of last frost is different every year. Half of the time in Greenfield last frost occurs after April 15 so be sure to be ready to protect your balloon flower if you have one of those late frosts.

USDA Zone Info for Greenfield

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 Greenfield

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