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

You will be able to estimate when to plant gerbera by referring to the USDA zone info for Colton.

Planting Calendar for Gerbera

Frost tolerance for gerbera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Gerbera do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant gerbera in Colton 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 gerbera and expect a good harvest is probably September. If you wait any later than that and your gerbera may not have a chance to really do well. Starting your gerbera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Colton is an average the actual date of last frost is different every year. Half of the time in Colton you get a frost after February 15 so just be sure to be ready to cover your gerbera in the event of a surprise late frost.

USDA Zone Info for Colton

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 Colton

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