Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Roswell it's a good idea to estimate when it's possible 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.

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

The earliest that you can plant echinacea in Roswell 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. If you wait 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 Roswell. You can expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Roswell is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Roswell you get a frost after April 15 be ready to protect your echinacea if you have a surprise late frost.

USDA Zone Info for Roswell

Here is the info for USDA Zone 7b.

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

Plants to Grow in Roswell

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