One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

You will be able to determine when it's possible to plant gerbera by using the USDA zone info for Patterson.

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.

Since gerbera do ok in moderate cold you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant gerbera in Patterson 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. You probably don't want to wait any later than that or else your gerbera may not have a chance to really do well. You can get started a couple of weeks earlier by starting your gerbera indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Patterson. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Patterson may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Patterson last frost occurs after February 15 be ready to cover your gerbera if you have a surprise late frost.

USDA Zone Info for Patterson

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Patterson

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