The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's a good idea to plant hamelia in Santa Rosa by looking at the USDA zone info.

Planting Calendar for Hamelia

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

You can not plant hamelia until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant hamelia in Santa Rosa is March. However, you really should wait until April 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 few weeks earlier by starting your hamelia indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Santa Rosa. In the coldest months of winter you can expect an average low temperature of 25°F.

Remember that USDA zone info for Santa Rosa is just an average and the actual date of last frost changes from year to year. Half of the time in Santa Rosa you get a frost after February 15 so make sure that you are prepared to protect your hamelia in the event of a surprise late frost.

USDA Zone Info for Santa Rosa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Santa Rosa

You may be interested in your other planting guides for Santa Rosa.