When to Plant Balloon Flower in Zone 2b

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.

You should be able to estimate when it's a good idea to plant balloon flower by referring to the USDA zone info for Zone 2b.

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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 means that you can plant them slightly earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant balloon flower
Possibly ok, but a risky time to plant balloon flower
Probably not a good time to plant balloon flower

The earliest that you can plant balloon flower in Zone 2b is May. However, you really should wait until June 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 grow to maturity. If you are starting your balloon flower indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Zone 2b. It might get as low as -45°F during the coldest months of winter.

Since the USDA zone info for Zone 2b is just an average the actual date of last frost is different every year. Half of the time in Zone 2b you get a frost after May 15 so be sure to be ready to cover your balloon flower in the event of a late frost.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-45°F
Highest Expected Low-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.