One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when you can plant crassula by checking out the USDA zone info for Upland.

Planting Calendar for Crassula

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

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

The earliest that you can plant crassula in Upland 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. You probably don't want to wait any later than that or else your crassula may not have a chance to grow to maturity. Starting your crassula indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Upland the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Upland and it can change quite a bit from year to year. Since half of the time in Upland you get a frost after January 31 be ready to cover your crassula in the event of a surprise late frost.

USDA Zone Info for Upland

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 Upland

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