One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Marana should be reffered to in order to estimate when it's a good idea 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 should not plant crassula until after the last frost has passed because they do not do well in cold weather.

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

Last Frost Date

On average the last frost has passed is on February 15 in Marana. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Marana is just an average and the actual date of last frost will vary from year to year. Half of the time in Marana last frost occurs after February 15 so be sure to be ready to protect your crassula if you have a late frost.

USDA Zone Info for Marana

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 Marana

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