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.

By looking at the USDA zone info for Colton it's possible to estimate when to plant crassula.

Planting Calendar for Crassula

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

It's probably not a good idea to plant crassula until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant crassula in Colton is March. However, you really should wait until April 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 little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Colton. You should expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Colton may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Colton last frost occurs after February 15 be ready to cover your crassula if you have 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.