Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant hamelia in Rialto can be determined by referring to 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 do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant hamelia in Rialto 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. You probably don't want to wait any later than that or else your hamelia may not have a chance to fully mature. 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 Rialto 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.

Keep in mind that USDA zone info for Rialto is just an average and the actual date of last frost is different every year. Since half of the time in Rialto there is a last frost after January 31 be ready to cover your hamelia in the event of a late frost.

USDA Zone Info for Rialto

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 Rialto

You may be interested in your other planting guides for Rialto.