One of the first steps you take when you are figuring out 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.

The first chance to plant digitalis in Chisholm can be estimated 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.

Digitalis are moderately cold tolerant which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant digitalis in Chisholm 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 grow to maturity. Starting your digitalis indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Chisholm the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -35°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Chisholm and it will vary from year to year. Since half of the time in Chisholm you get a frost after May 15 be ready to protect your digitalis in the event of one of those late frosts.

USDA Zone Info for Chisholm

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 Chisholm

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