When to Plant Copperleaf in Slinger, WI

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Slinger you can estimate when it's the best time to plant copperleaf by reviewing the USDA zone info.


Planting Calendar for Copperleaf

Frost tolerance for copperleaf: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You really shouldn't plant copperleaf until after all chance of frost has passed because they require warm weather.

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

The earliest that you can plant copperleaf in Slinger is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant copperleaf and expect a good harvest is probably August. If you wait any later than that and your copperleaf may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your copperleaf indoors.

Last Frost Date

The average date of last frost is April 15 in Slinger. You can expect an average low temperature of -20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Slinger may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Slinger it frosts late in the year after April 15 so always be ready to cover your copperleaf in the event of a surprise late frost.

USDA Zone Info for Slinger

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 Slinger

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