One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when you can plant hamelia in Costa Mesa by checking out the USDA zone info.

Planting Calendar for Hamelia

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

It's probably a bad idea to plant hamelia until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant hamelia 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 hamelia and expect a good harvest is probably September. Any later than that and your hamelia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your hamelia indoors.

Last Frost Date

The average date of last frost is January 31 in Costa Mesa. It might get as low as 35°F during the coldest months of winter.

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 Costa Mesa and it changes from year to year. Half of the time in Costa Mesa last frost occurs after January 31 so always be ready to cover your hamelia in the event of one of those late frosts.

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.