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.

In Pasadena you can determine when it's a good idea to plant crassula by checking out the USDA zone info.

Planting Calendar for Crassula

Frost tolerance for crassula:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Crassula are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant crassula in 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 crassula and expect a good harvest is probably September. Any later than that and your crassula may not have a chance to fully mature. If you are starting your crassula indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Pasadena may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Pasadena it frosts late in the year after January 31 so just be sure to be ready to cover your crassula if you have a surprise late frost.

USDA Zone Info for 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 Pasadena

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