When to Plant Heuchera in Suamico, WI

One of the first steps you take when you are getting a good idea 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.

The best time to plant heuchera in Suamico can be figured out by looking at 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 do ok in a little bit of cold which means that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

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 Suamico 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 really do well. 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 Suamico. In the coldest months of winter you can expect an average low temperature of -20°F.

Just be sure to remember that USDA zone info for Suamico is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Suamico you get a frost after April 15 be ready to cover your heuchera if you have a surprise late frost.

USDA Zone Info for Suamico

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 Suamico

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