Before planting it is a good idea to find your USDA Zone info to estimate 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 Alliance you can figure out when you can plant echinacea by referring to 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.

Since echinacea are barely cold tolerant you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant echinacea in Alliance 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 echinacea and expect a good harvest is probably August. Any later than that and your echinacea may not have a chance to really do well. You can get started a little bit earlier by starting your echinacea indoors.

Last Frost Date

The average date of last frost is April 15 in Alliance. In the coldest months of winter you should expect an average low temperature of -10°F.

It's important to remember that USDA zone info for Alliance is an average and the actual date of last frost changes from year to year. Since half of the time in Alliance you get a frost after April 15 be ready to protect your echinacea in the event of one of those late frosts.

USDA Zone Info for Alliance

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Alliance

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