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.

It's possible to figure out when it's the best time to plant dallas fern by using the USDA zone info for Zone 10b.

Planting Calendar for Dallas Fern

Frost tolerance for dallas fern:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably a bad idea to plant dallas fern until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant dallas fern in Zone 10b 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 dallas fern and expect a good harvest is probably September. Any later than that and your dallas fern may not have a chance to really do well. Starting your dallas fern indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Zone 10b. It might get as low as 35°F during the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Zone 10b and it can change quite a bit from year to year. Half of the time in Zone 10b you get a frost after January 31 so be sure to be ready to cover your dallas fern in the event of a surprise late frost.

USDA Zone Info for Zone 10b

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 Zone 10b

You may be interested in your other planting guides for Zone 10b.