The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Belmont you should be able to figure out when you can 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.

Since balloon flower are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant balloon flower in Belmont 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 really do well. You can get started a couple of weeks earlier by starting your balloon flower indoors.

Last Frost Date

On average the last frost is on April 15 in Belmont. It might get as low as 5°F during the coldest months of winter.

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

USDA Zone Info for Belmont

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Belmont

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