When to Plant Digitalis in Sparta, WI

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

You can estimate when it's possible to plant digitalis in Sparta by looking at the USDA zone info.


Planting Calendar for Digitalis

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

You can plant digitalis a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

The earliest that you can plant digitalis in Sparta 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 digitalis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your digitalis may not have a chance to really do well. You can get started a little bit earlier by starting your digitalis indoors.

Last Frost Date

The average date of last frost is May 15 in Sparta. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Sparta is an average and the actual date of last frost is different every year. Since half of the time in Sparta you get surprised by a frost after May 15 be ready to protect your digitalis if you have one of those late frosts.

USDA Zone Info for Sparta

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sparta

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