Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's possible to plant crassula by looking at the USDA zone info for Wilmette.

Planting Calendar for Crassula

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

Crassula require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant crassula in Wilmette 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. If you wait 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

The average date of last frost is April 15 in Wilmette. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Wilmette is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Wilmette last frost occurs after April 15 so make sure that you are ready to protect your crassula in the event of a surprise late frost.

USDA Zone Info for Wilmette

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Wilmette

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