Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant campanula in Kent should be estimated by checking out 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.

Since campanula do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant campanula in Kent 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. Any later than that and your campanula may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your campanula indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Kent. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Kent is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Kent you get a frost after March 15 be ready to protect your campanula if you have a late frost.

USDA Zone Info for Kent

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Kent

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