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

By reviewing the USDA zone info for Eden Prairie you should be able to determine when it's possible to plant tritoma.

Planting Calendar for Tritoma

Frost tolerance for tritoma:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Tritoma do well in pretty solid cold which means that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant tritoma in Eden Prairie 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 tritoma and expect a good harvest is probably August. Any later than that and your tritoma may not have a chance to fully mature. If you are starting your tritoma indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Eden Prairie is an average the actual date of last frost will vary from year to year. Since half of the time in Eden Prairie there is a last frost after May 15 be ready to cover your tritoma in the event of a late frost.

USDA Zone Info for Eden Prairie

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 Eden Prairie

You may be interested in your other planting guides for Eden Prairie.