Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Circle Pines you can estimate when it's the best time to plant digitalis by using 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 tend to make it in moderate cold which tells us that you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant digitalis in Circle Pines 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 really do well. Starting your digitalis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Circle Pines is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Circle Pines there is a last frost after May 15 be ready to protect your digitalis in the event of one of those late frosts.

USDA Zone Info for Circle Pines

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 Circle Pines

You may be interested in your other planting guides for Circle Pines.