One of the first steps you take when you are estimating your gardening schedule is find your 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.

A way of determining when you can plant coral bells is to use the USDA zone info for Champlin.

Planting Calendar for Coral Bells

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

Coral Bells are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant coral bells in Champlin is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant coral bells and expect a good harvest is probably August. Any later than that and your coral bells may not have a chance to grow to maturity. Starting your coral bells indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Champlin the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Champlin may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Champlin there is a last frost after May 15 be ready to protect your coral bells if you have a late frost.

USDA Zone Info for Champlin

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Champlin

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