One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when to plant campanula by looking at the USDA zone info for Slaton.

Planting Calendar for Campanula

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

Campanula can survive in some cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant campanula in Slaton 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. If you wait any later than that and your campanula may not have a chance to grow to maturity. Starting your campanula indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Slaton. It might get as low as 5°F during the coldest months of winter.

Keep in mind that USDA zone info for Slaton may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Slaton it frosts late in the year after April 15 be ready to protect your campanula if you have a late frost.

USDA Zone Info for Slaton

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 Slaton

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