The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant echinacea in Sartell should be figured out by reviewing the USDA zone info.

Planting Calendar for Echinacea

Frost tolerance for echinacea:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Echinacea tend to make it in a tiny bit of cold which tells us that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant echinacea in Sartell is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant echinacea and expect a good harvest is probably August. You probably don't want to wait any later than that or else your echinacea may not have a chance to grow to maturity. If you are starting your echinacea 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 Sartell. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Sartell is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sartell last frost occurs after May 15 so always be ready to cover your echinacea in the event of a late frost.

USDA Zone Info for Sartell

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 Sartell

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