When to Plant Balloon Flower in Monticello, MN

One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

You can determine when it's possible to plant balloon flower in Monticello by using the USDA zone info.

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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 a tiny bit of cold which tells us that you can plant them a bit earlier in the year 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 Monticello is April. However, you really should wait until May 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 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

In Monticello the average date of last frost happens on May 15. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Monticello is just an average the actual date of last frost is different every year. Half of the time in Monticello you get surprised by a frost after May 15 so make sure that you are prepared to cover your balloon flower in the event of one of those late frosts.

USDA Zone Info for Monticello

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Monticello

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