One of the best tools that you have as gardeners to help us determine 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.

The first chance to plant fanflower in Costa Mesa can be determined by using the USDA zone info.

Planting Calendar for Fanflower

Frost tolerance for fanflower:	Not tolerant of frost.
When to plant:	After the last frost.

You should not plant fanflower until after the last frost has passed because they require warm weather.

The earliest that you can plant fanflower in Costa Mesa 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 fanflower and expect a good harvest is probably September. Any later than that and your fanflower may not have a chance to grow to maturity. Starting your fanflower indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Costa Mesa the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 35°F.

Always keep in mind that USDA zone info for Costa Mesa is just an average and the actual date of last frost changes from year to year. Half of the time in Costa Mesa it frosts late in the year after January 31 so make sure that you are ready to cover your fanflower in the event of a late frost.

USDA Zone Info for Costa Mesa

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 Costa Mesa

You may be interested in your other planting guides for Costa Mesa.