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.

The first chance to plant hamelia in San Mateo should be determined by using the USDA zone info.

Planting Calendar for Hamelia

Frost tolerance for hamelia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since hamelia require warm weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant hamelia in San Mateo 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 really do well. If you are starting your hamelia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In San Mateo the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for San Mateo may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in San Mateo there is a last frost after January 31 so make sure that you are prepared to cover your hamelia if you have a surprise late frost.

USDA Zone Info for San Mateo

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Mateo

You may be interested in your other planting guides for San Mateo.