Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when it's the best time to plant calliopsis is to consult the USDA zone info for Indian Wells.

Planting Calendar for Calliopsis

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

Calliopsis require warm weather which tells us that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant calliopsis in Indian Wells 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 really do well. You can get started a few weeks earlier by starting your calliopsis indoors.

Last Frost Date

The average date of last frost is February 15 in Indian Wells. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Indian Wells is an average the actual date of last frost changes from year to year. Half of the time in Indian Wells there is a last frost after February 15 so make sure that you are ready to protect your calliopsis if you have one of those late frosts.

USDA Zone Info for Indian Wells

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Indian Wells

You may be interested in your other planting guides for Indian Wells.