When can I plant Coral Bells in Zone 1b

One of the best tools that we have as gardeners to help us determine our 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 our area.

You can determine when it's the best time to plant coral bells in Zone 1b by referring to the USDA zone info.


Planting Calendar for Coral Bells

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

You can plant coral bells a little earlier in the year because they are moderately cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant coral bells
Possibly ok, but a risky time to plant coral bells
Probably not a good time to plant coral bells

The earliest that you can plant coral bells in Zone 1b is May. However, you really should wait until June 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 July. If you wait any later than that and your coral bells may not have a chance to really do well. You can get started a few weeks earlier by starting your coral bells indoors.

Last Frost Date

On average the last frost has passed is on June 15 in Zone 1b. We can expect an average low temperature of -55°F in the coldest months of winter.

Remember that USDA zone info for Zone 1b is just an average and our actual date of last frost will vary from year to year. Half of the time in Zone 1b we get a frost after June 15 so make sure that you are prepared to cover your coral bells if we have a surprise late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.