The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when it's a good idea to plant geranium by checking out the USDA zone info for South Pasadena.

Planting Calendar for Geranium

Frost tolerance for geranium:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant geranium until after the last frost because they require warm weather.

The earliest that you can plant geranium in South Pasadena 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 geranium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your geranium may not have a chance to fully mature. Starting your geranium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in South Pasadena. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for South Pasadena may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in South Pasadena it frosts late in the year after January 31 so make sure that you are ready to cover your geranium if you have a surprise late frost.

USDA Zone Info for South Pasadena

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 South Pasadena

You may be interested in your other planting guides for South Pasadena.