One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Zone 11b you should be able to estimate when it's the best time to plant chrysanthemums.

Planting Calendar for Chrysanthemums

Frost tolerance for chrysanthemums:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant chrysanthemums a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant chrysanthemums in Zone 11b is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant chrysanthemums and expect a good harvest is probably November. If you wait any later than that and your chrysanthemums may not have a chance to grow to maturity. Starting your chrysanthemums indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 11b it never frosts. It might get as low as 45°F during the coldest months of winter.

Since the USDA zone info for Zone 11b is just an average the actual date of last frost changes from year to year. Since it never frosts in Zone 11b you do not have to be ready to protect your chrysanthemums if you have a late frost.

USDA Zone Info for Zone 11b

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Zone 11b

You may be interested in your other planting guides for Zone 11b.