One of the best tools that you have as gardeners to help us figure out 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.

In Grand Rapids you can figure out when to plant heuchera by checking out 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 means that you can plant them earlier than other frost tender plants.

The earliest that you can plant heuchera in Grand Rapids 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 heuchera and expect a good harvest is probably August. If you wait any later than that and your heuchera may not have a chance to grow to maturity. If you are starting your heuchera indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Grand Rapids. It might get as low as -35°F during the coldest months of winter.

Keep in mind that USDA zone info for Grand Rapids is an average and the actual date of last frost will vary from year to year. Since half of the time in Grand Rapids you get a frost after May 15 be ready to cover your heuchera in the event of a surprise late frost.

USDA Zone Info for Grand Rapids

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Grand Rapids

You may be interested in your other planting guides for Grand Rapids.