One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

It's possible to figure out when you can plant campanula by referring to the USDA zone info for Grain Valley.

Planting Calendar for Campanula

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

Campanula do ok in some cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant campanula in Grain Valley 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 really do well. 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 April 15 in Grain Valley. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Grain Valley may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Grain Valley it frosts late in the year after April 15 be ready to cover your campanula if you have a late frost.

USDA Zone Info for Grain Valley

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Grain Valley

You may be interested in your other planting guides for Grain Valley.