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.

You should be able to estimate when you can plant calliopsis by reviewing the USDA zone info for El Campo.

Planting Calendar for Calliopsis

Frost tolerance for calliopsis:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant calliopsis until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant calliopsis in El Campo 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 calliopsis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your calliopsis may not have a chance to fully mature. Starting your calliopsis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in El Campo. You can expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that USDA zone info for El Campo is not always accurate and the actual date of last frost changes from year to year. Half of the time in El Campo there is a last frost after February 15 so always be ready to protect your calliopsis if you have a surprise late frost.

USDA Zone Info for El Campo

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 El Campo

You may be interested in your other planting guides for El Campo.