One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when to plant campanula is to use the USDA zone info for Wynne.

Planting Calendar for Campanula

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

Campanula do well in moderate cold which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant campanula in Wynne 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. Starting your campanula indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Wynne is not always accurate the actual date of last frost will vary from year to year. Half of the time in Wynne it frosts late in the year after April 15 so just be sure to be ready to cover your campanula in the event of one of those late frosts.

USDA Zone Info for Wynne

Here is the info for USDA Zone 7b.

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

Plants to Grow in Wynne

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