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.

It's a good idea to figure out when to plant digitalis by using the USDA zone info for West Salem.

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

The earliest that you can plant digitalis in West Salem 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. You can get started a couple of weeks earlier by starting your digitalis indoors.

Last Frost Date

In West Salem the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that USDA zone info for West Salem may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in West Salem there is a last frost after May 15 be ready to protect your digitalis in the event of a surprise late frost.

USDA Zone Info for West Salem

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 West Salem

You may be interested in your other planting guides for West Salem.