Before planting it is a good idea to find your USDA Zone info to determine 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.

You should be able to estimate when to plant purple coneflower by using the USDA zone info for Vinita.

Planting Calendar for Purple Coneflower

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

You can plant purple coneflower just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant purple coneflower in Vinita 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 purple coneflower and expect a good harvest is probably August. Any later than that and your purple coneflower may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your purple coneflower indoors.

Last Frost Date

In Vinita the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Vinita is just an average and the actual date of last frost is different every year. Since half of the time in Vinita you get a frost after April 15 be ready to cover your purple coneflower if you have a surprise late frost.

USDA Zone Info for Vinita

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Vinita

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