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 should be able to estimate when you can plant campanula by referring to the USDA zone info for Belmont.

Planting Calendar for Campanula

Frost tolerance for campanula:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Campanula are one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant campanula in Belmont is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant campanula and expect a good harvest is probably October. You probably don't want to wait any later than that or else your campanula may not have a chance to fully mature. You can get started a little bit earlier by starting your campanula indoors.

Last Frost Date

On average the last frost has passed is on January 31 in Belmont. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Belmont is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Belmont it frosts late in the year after January 31 so make sure that you are ready to cover your campanula in the event of a surprise late frost.

USDA Zone Info for Belmont

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Belmont

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