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

The first chance to plant crassula in Vernon Hills should be figured out by using the USDA zone info.

Planting Calendar for Crassula

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

It's not a good idea to plant crassula until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant crassula in Vernon Hills 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 grow to maturity. You can get started a few weeks earlier by starting your crassula indoors.

Last Frost Date

The average date of last frost is April 15 in Vernon Hills. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Vernon Hills is not always accurate and the actual date of last frost is different every year. Since half of the time in Vernon Hills it frosts late in the year after April 15 be ready to protect your crassula in the event of a late frost.

USDA Zone Info for Vernon Hills

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 Vernon Hills

You may be interested in your other planting guides for Vernon Hills.