One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when to plant calliopsis in Anaheim by looking at the USDA zone info.

Planting Calendar for Calliopsis

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

Calliopsis do not do well in cold weather which means that you have to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant calliopsis in Anaheim 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 calliopsis and expect a good harvest is probably September. If you wait 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 little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Anaheim. In the coldest months of winter you should expect an average low temperature of 35°F.

Since the USDA zone info for Anaheim may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Anaheim you get a frost after January 31 be ready to cover your calliopsis in the event of a late frost.

USDA Zone Info for Anaheim

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Anaheim

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