When to Plant Heuchera in Rexburg, ID

The USDA Zone info is a great tool for gardeners to help us determine 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.

The first opportunity to plant heuchera in Rexburg can be determined by using the USDA zone info.


Planting Calendar for Heuchera

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

Heuchera are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

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

The earliest that you can plant heuchera in Rexburg 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 heuchera and expect a good harvest is probably September. Any later than that and your heuchera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your heuchera indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Rexburg. In the coldest months of winter you should expect an average low temperature of -20°F.

It's important to remember that USDA zone info for Rexburg is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Rexburg it frosts late in the year after April 15 so make sure that you are prepared to cover your heuchera if you have one of those late frosts.

USDA Zone Info for Rexburg

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rexburg

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