One of the first steps you take when you are making a decision about your gardening schedule is find your 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 USDA zone info for Lawton can be used to determine when you can plant crassula.

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 the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant crassula in Lawton 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 couple of weeks earlier by starting your crassula indoors.

Last Frost Date

In Lawton the average date of last frost happens on April 15. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Lawton is not always accurate the actual date of last frost will vary from year to year. Half of the time in Lawton it frosts late in the year after April 15 so always be ready to cover your crassula if you have one of those late frosts.

USDA Zone Info for Lawton

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Lawton

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