One of the first steps you take when you are estimating 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.

By referring to the USDA zone info for Shafter you should be able to figure out when it's the best time to plant crassula.

Planting Calendar for Crassula

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

You can not plant crassula until after the last frost because they are not cold tolerant.

The earliest that you can plant crassula in Shafter 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 really do well. You can get started a little bit earlier by starting your crassula indoors.

Last Frost Date

On average the last frost is on February 15 in Shafter. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Shafter is an average and the actual date of last frost will vary from year to year. Half of the time in Shafter last frost occurs after February 15 so always be ready to protect your crassula in the event of one of those late frosts.

USDA Zone Info for Shafter

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 Shafter

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