One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant crassula in Tulsa can be figured out by looking at the USDA zone info.

Planting Calendar for Crassula

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

You really shouldn't plant crassula until after all chance of frost has passed because they require warm weather.

The earliest that you can plant crassula in Tulsa 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. Starting your crassula indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Tulsa. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Tulsa is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Tulsa you get surprised by a frost after April 15 so just be sure to be ready to protect your crassula if you have a late frost.

USDA Zone Info for Tulsa

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 Tulsa

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