One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Buckeye should be reffered to in order to determine when it's a good idea to plant echinacea.

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 are barely cold tolerant which means that you can get them planted just a bit earlier than more sensitive plants.

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

The last month that you can plant echinacea and expect a good harvest is probably September. Any later than that and your echinacea may not have a chance to really do well. Starting your echinacea indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Buckeye the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Buckeye is an average the actual date of last frost changes from year to year. Half of the time in Buckeye it frosts late in the year after February 15 so make sure that you are ready to protect your echinacea in the event of one of those late frosts.

USDA Zone Info for Buckeye

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Buckeye

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