When to Plant Gerbera in San Rafael, CA

One of the first steps you take when you are getting a good idea 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.

You will be able to figure out when to plant gerbera by referring to the USDA zone info for San Rafael.


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.

You can plant gerbera just a tiny bit earlier in the year because they are barely cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant gerbera
Possibly ok, but a risky time to plant gerbera
Probably not a good time to plant gerbera

The earliest that you can plant gerbera in San Rafael 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. Any later than that and your gerbera may not have a chance to fully mature. If you are starting your gerbera indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in San Rafael. In the coldest months of winter you should expect an average low temperature of 30°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for San Rafael and it is different every year. Half of the time in San Rafael you get a frost after January 31 so always be ready to protect your gerbera in the event of a surprise late frost.

USDA Zone Info for San Rafael

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 Low30°F
Highest Expected Low35°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 San Rafael

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