One of the first steps you take when you are figuring out 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.

The USDA zone info for Rio Vista should be looked at to determine when it's a good idea to plant hamelia.

Planting Calendar for Hamelia

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

Since hamelia do not do well in cold weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant hamelia in Rio Vista 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 grow to maturity. Starting your hamelia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Rio Vista. You should expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Rio Vista may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Rio Vista there is a last frost after February 15 so always be ready to cover your hamelia in the event of a surprise late frost.

USDA Zone Info for Rio Vista

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 Rio Vista

You may be interested in your other planting guides for Rio Vista.