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

It's a good idea to figure out when it's a good idea to plant purple coneflower by using the USDA zone info for Carrizo Springs.

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.

Purple Coneflower do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant purple coneflower in Carrizo Springs 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 purple coneflower and expect a good harvest is probably September. If you wait any later than that and your purple coneflower may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your purple coneflower indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Carrizo Springs. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Carrizo Springs may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Carrizo Springs last frost occurs after February 15 so just be sure to be ready to protect your purple coneflower if you have a late frost.

USDA Zone Info for Carrizo Springs

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 Carrizo Springs

You may be interested in your other planting guides for Carrizo Springs.