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.

A way of figuring out when it's the best time to plant calliopsis is to check out the USDA zone info for Lafayette.

Planting Calendar for Calliopsis

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

Since calliopsis require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant calliopsis in Lafayette 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. Any later than that and your calliopsis may not have a chance to really do well. Starting your calliopsis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Lafayette. You can expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Lafayette is just an average and the actual date of last frost changes from year to year. Since half of the time in Lafayette there is a last frost after February 15 be ready to cover your calliopsis if you have a surprise late frost.

USDA Zone Info for Lafayette

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 Lafayette

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