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

One way of estimating when you can plant digitalis is to use the USDA zone info for Chippewa Falls.

Planting Calendar for Digitalis

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

Since digitalis are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant digitalis in Chippewa Falls 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. If you wait any later than that and your digitalis may not have a chance to fully mature. You can get started a few weeks earlier by starting your digitalis indoors.

Last Frost Date

On average the last frost is on May 15 in Chippewa Falls. You should expect an average low temperature of -30°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Chippewa Falls and it will vary from year to year. Since half of the time in Chippewa Falls you get a frost after May 15 be ready to protect your digitalis if you have a late frost.

USDA Zone Info for Chippewa Falls

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Chippewa Falls

You may be interested in your other planting guides for Chippewa Falls.