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

One way of determining when you can plant campanula is to consult the USDA zone info for Lake Havasu City.

Planting Calendar for Campanula

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

You can plant campanula just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant campanula in Lake Havasu City 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. If you wait any later than that and your campanula may not have a chance to really do well. If you are starting your campanula indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on January 31 in Lake Havasu City. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Lake Havasu City is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Lake Havasu City you get a frost after January 31 so just be sure to be ready to protect your campanula if you have a late frost.

USDA Zone Info for Lake Havasu City

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 Lake Havasu City

You may be interested in your other planting guides for Lake Havasu City.