One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In San Luis Obispo you can determine when it's the best time to plant hamelia by referring to the USDA zone info.

Planting Calendar for Hamelia

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

It's not a good idea to plant hamelia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant hamelia in San Luis Obispo 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. You probably don't want to wait any later than that or else 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 little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in San Luis Obispo. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for San Luis Obispo is an average and the actual date of last frost will vary from year to year. Half of the time in San Luis Obispo you get a frost after February 15 so make sure that you are ready to cover your hamelia if you have a surprise late frost.

USDA Zone Info for San Luis Obispo

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 San Luis Obispo

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