One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

You should be able to estimate when to plant crassula by referring to the USDA zone info for Clifton.

Planting Calendar for Crassula

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

You really shouldn't plant crassula until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant crassula in Clifton is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant crassula and expect a good harvest is probably August. Any later than that and your crassula may not have a chance to fully mature. Starting your crassula indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Clifton. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Clifton is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Clifton you get a frost after April 15 be ready to cover your crassula in the event of a surprise late frost.

USDA Zone Info for Clifton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Clifton

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