One of the best tools that you have as gardeners to help us estimate 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.

One way of figuring out when it's the best time to plant echinacea is to refer to the USDA zone info for Sinton.

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 slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant echinacea in Sinton 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. If you wait any later than that and your echinacea may not have a chance to fully mature. Starting your echinacea indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Sinton is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Sinton you get a frost after February 15 so be sure to be ready to cover your echinacea if you have one of those late frosts.

USDA Zone Info for Sinton

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 Sinton

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