One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's a good idea to plant echinacea is to examine the USDA zone info for Bristow.

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 can survive in mild cold which means that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant echinacea in Bristow 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 couple of weeks earlier by starting your echinacea indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bristow. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Bristow is not always accurate the actual date of last frost is different every year. Since half of the time in Bristow there is a last frost after April 15 be ready to cover your echinacea if you have a late frost.

USDA Zone Info for Bristow

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Bristow

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