Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant campanula in Lebanon can be estimated by looking at the USDA zone info.

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 a bit earlier in the year because they are moderately cold tolerant.

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

The last month that you can plant campanula and expect a good harvest is probably September. You probably don't want to wait any later than that or else your campanula may not have a chance to fully mature. If you are starting your campanula indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Lebanon. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Lebanon is an average and the actual date of last frost is different every year. Half of the time in Lebanon you get surprised by a frost after April 15 so always be ready to cover your campanula if you have a surprise late frost.

USDA Zone Info for Lebanon

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Lebanon

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