The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Lewistown you can determine when to plant coral bells by checking out the USDA zone info.

Planting Calendar for Coral Bells

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

Since coral bells are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant coral bells in Lewistown 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 coral bells and expect a good harvest is probably September. If you wait any later than that and your coral bells may not have a chance to really do well. Starting your coral bells 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 Lewistown. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Lewistown is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lewistown it frosts late in the year after April 15 be ready to protect your coral bells if you have one of those late frosts.

USDA Zone Info for Lewistown

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Lewistown

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