The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Harrison you can estimate when it's possible to plant crassula by reviewing the USDA zone info.

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 tells us 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 Harrison 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. If you are starting your crassula indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Harrison. In the coldest months of winter you should expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Harrison is not always accurate and the actual date of last frost is different every year. Half of the time in Harrison you get a frost after April 15 so just be sure to be ready to protect your crassula in the event of a surprise late frost.

USDA Zone Info for Harrison

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 Harrison

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