Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when you can plant dahlias by checking out the USDA zone info for Malibu.

Planting Calendar for Dahlias

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

You really shouldn't plant dahlias until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant dahlias in Malibu 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 dahlias and expect a good harvest is probably September. Any later than that and your dahlias may not have a chance to really do well. Starting your dahlias indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Malibu. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Malibu is just an average and the actual date of last frost will vary from year to year. Since half of the time in Malibu there is a last frost after January 31 be ready to cover your dahlias if you have one of those late frosts.

USDA Zone Info for Malibu

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 Malibu

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